Asolo Flame GTX

Priced: $176.24 - $245.00 Rated:   - 4 stars out of 5 by 56 reviews.
Asolo Flame GTX
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The Men's Flame GTX Hiking Boot by Asolo uses a blend of water-resistant suede and high-tenacity nylon to withstand all the abuses of a season in the backcountry. If any moisture manages to get through the tough exterior, it's stopped cold by the waterproof breathable Gore-Tex insert. Asolo used a Matrix sole with Active Heel Support to make the Flame GTX Hiking Boot a solid choice when you have to carry a lot of gear or travel on rough terrain.

FEATURES of the Asolo Men's Flame GTX Boot.

Support and Cushioning:

  • Asoflex® thermoplastic supports provide torsional stability and control while protecting against impact and bruises on rocks and uneven terrain
  • SOLE Matrix (rubber-Eva) + Active Heel Support
  • Removable EVA footbeds cushion feet and are perforated in the forefoot area for added ventilation
  • Visible Active Heel Support incorporates high- and low-density thermoplastic urethane elements to bring you optimal heel control and shock absorption

Weather and Wind:

  • Seam-sealed Gore-Tex® liners deliver complete waterproof protection while allowing ample breathability for comfort in wet conditions


  • WEIGHT Gr 643 (1/2 pair size 8 UK)




  • Lightweight EVA midsoles provide cushioning comfort and shock absorption


  • Wicking nylon linings absorb and disperse excess moisture for fast drying
  • UPPER Water-resistant suede 1,6-1,8 mm + High Tenacity Nylon
  • Water-resistant suede leather and high-tenacity nylon uppers deliver durable flexibility and support while remaining breathable

Lining and Layers:

  • Waterproof/breathable GORE-TEX Performance lining


  • Gusseted scree tongues and padded ankle cuffs add protective comfort at ankles; rubber toe bumpers protect against impact and abrasion

Traction and Grip:

  • Durable rubber outsoles on the Flame GTX hiking boots include Aso-brake technology for maximum downhill grip and grip on uneven terrain


  • LASTING BOARD Asoflex 400 gold
Backcountry Edge

Ideal for longer day hikes or extended backpacking trips, the Asolo Flame GTX backpacking boot offers support and protection on varied terrain. Leather construction and a full GORE-TEX bootie provide reliable waterproof/breathable performance while high tenacity nylon offers a comfortable fit with an easier break-in period.

Rock/Creek Outfitters

The men's Asolo Flame GTX Boot is a lightweight, backpacking/hiking boot which offers support, comfort and amazing grip. Grab these gems for your next 3 season hike.

The Asolo Flame GTX Men's Boot is a GoreTex Boot designed for comfort and durability capable of diverse terrain and climates. The GoreTex liner makes this boot durably waterproof, and breathable for people who need moderate insulation from the elements.


These lightweight, three-season Asolo Flame GTX hiking boots offer support, shock absorption and grip so you can focus on the beautiful scenery and not on your feet.

1.6-1.8 mm water resistant suede upper with high tenacity nylon mesh.
GORE-TEX® Sierra lining for moisture wicking and breathability.
Asoflex 00 SR lasting board.
Lite 2 anatomic footbed.
Matrix outsole with Active Heel Support technology.
A moderately aggressive, dual-density outsole that incorporates Aso-brake for maximum downhill traction and offers superior grip on uneven terrain.
"Visual technology" that's created by externalizing the mechanism positioned in the heel zone.
Optimized by the use of leading-edge materials that offer lightweight support, shock absorption, and full heel control.
Half-Moon Outfitters
* Sole: Matrix (rubber-Eva) + Active Heel Support
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Average Price History: Price History
Review RatingNumber of Reviews
Anatomic Footbed:Lite 2
Average footwear weight (pair):2 lbs. 13 oz.
Circumference:13 1⁄2 in
Country Of Origin:Eastern Europe
Fit:Best for Medium Width Feet
Footwear Type:Hiking/Backpacking
Footwear closure:Lace-up
Footwear height:Over-the-ankle
Insole:Lite 2 Anatomic Footbed
Item Weight:2 lbs 14 oz; 1280 g (per pair)
Last:Asoflex 400 gold
Lasting Board:Asoflex 400 gold
Liner:Gore-Tex Performance comfort footwear
Lining:Gore-Tex performance comfort footwear
Material:Water-resistant suede, Gore-Tex
Material Technology:GORE-TEX
Midsole:EVA Rubber with Asoflex 400 Gold Lasting Board
Number of Eyelets:Seven - Full Metal
Other:Removable Footbed
Outsole:Matrix with Active Heel Support
Recommended Use:Backpacking
Shaft:6 1⁄2 in
Shoe Stability:Stability
Sole:Matrix (rubber-eva) + Active Heel Support
Support:Thermoplastic urethane
Toe Protection:Rubber Rand
Type:Waterproof Midweight Backpacking Boot
Upper:Water resistant suede 1,6-1,8 mm + high tenacity nylon
Upper Material:Water Resistant Suede 1.6-1.8mm and High tenacity Nylon/GORE-TEX
Weight:1 lb 7 oz / 640 g (Single Boot)
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Asolo Flame GTX Reviews:

Positive Reviews:

Very Comfortable and Capable Hiking Boot

I usually get by with some decent trail shoes for hiking and backpacking but after an unusually brutal backpacking trip I decided to invest in some legit hiking boots.
I had three main criteria when I was looking for a hiking boot. Comfort, support, and price. I tried on every pair of boots in the $200 dollar range at REI. I tried Asolo's other models in the same price range and was amazed to get very different feels from each of them. All of the other models seemed to have a shallow heal cup and I could immediately feel pressure on my heal. I bought the Flame GTX and was impressed with the secure feel with no hot spots.
A week later I wore the boots for Crow Pass trail. 24 miles in 11 hours. I knew using boots that weren't broken in was a serious risk but I was determined to give them a try. I was amazed to find that I didn't have a single blister and my feet were never wet. It had been raining for weeks before the hike and we encountered plenty of mud and flooded trails. It felt good to not worry about my foot placement with the mud and water. I could just hike on through.
All in all a very solid boot. I was impressed with every aspect of the boot. I liked the ability to tighten the lower half of the boot separate from the top half. It allowed me to adjust the boot for various terrain and comfort. The traction was superb. I never felt unstable on mud, snow, or loose rocks. The coolest thing to note was the small "brake" under the arch of the foot. I was amazed to find that it actually worked. We encountered lots of wet tree roots and rocks that I would often step upon and I could feel the brake hold my foot in position while I hiked across. It's hard to explain but you can see it in the picture. I guess it's called the "asobrake". Whatever, it worked! So pick up a pair of the Asolo Flame GTX boots and enjoy the hike.
Antwan at REI on 09/09/2013

It turns out Coromandel Peak is a real thing, not just a random ledge, in the sense that Kiwi's from all over New Zealand hike Mt. Roy in the summer to take wedding photos on the peak. Google image search it. It is breathtaking.
That said, many generally advise against visiting the actual peak in the winter, as snow piles onto it and the ledge walking out is SLIM. My buddies and I knew none of this.
I strapped on these Asolo boots in the morning and we blazed a trail up, hitting Coromandel Peak midday without realizing it was anything special. It looked like a promising spot for photography so we ambled out. These boots have FANTASTIC tread and the GORE-TEX inserts kept out snowmelt from about 2 ft. of snow we slogged through. The toe-box was reinforced enough that kicking through high drifts wasn't an issue at all. I walked out to the peak without the slightest difficulty, with toasty warm, grippy, comfortable feet. It was only afterwards, comparing our photos to those online, that we realized where we had stumbled onto! How many times do you get to hike up to one of the best wedding-photo spots in the world, without realizing it?!
I'm not one for really high boots, and thought the cut of this one, coming above the ankle but not digging into my upper shin, was perfect. The sole kept me from noticing the rocky terrain below, and was surprisingly well-padded. The GORE-TEX insert kept my feet both dry, and comfortably warm, throughout the hike up. The final peak is only a little over 5,000ft (1,578m) up, but in the winter, this can get snowy, iced, and COLD. These boots were great - I never slid, never grew cold, and felt comfortable and stable throughout. Thanks Asolo, thanks Gore.
The boots fit true to size, I am a fairly average slightly-below-size 9 mens, and the 9's fit comfortably with a medium-thick sock.

Cole at on 07/29/2013

Better than most boots

After hundreds of miles on the JMT/PCT, many conversations with other hikers, and comparisons of durability on-trail with others wearing different brands I suggest that these boots are superior to many other boots (or trail runners).

The soles, unlike Vibram which breaks off in chunks, have worn evenly and should offer a predictable lifetime. Slippage IS NOT an issue with these soles and after many, many miles over sharp rocks, the feet never hurt or felt bruised.

Every stich, seal, and glued piece remains in perfect condition... contrasting sharply with the countless other shoes I noticed with peeling toes, separating mid-soles, and/or general collapse.

Trail-runners, while lightweight and a favorite of the PCT, seemed to induce a disproportionate number of blisters, bruised soles, twists and sprains compared to boots in general. Exactly the opposite of what I had expected to see.

Asolo boots fit my narrow, highish-arched foot and talon-like heel out of the box better than any other make. I later added a third party insole as an extra luxury, but not of necessity.

The boots felt hot, but then again, everything was hot. Backpacking is exercise and mid-day July almost guarantees uncomfortable heat. During cooler hours/months I suspect these boot will continue to perform well.

DO take the time to break-in these boots. While they don't need as much time as some boots, you'll be able to form the insoles and zero in on the lacing that works best for you and your hike.
Red Car at REI on 07/07/2012

Highly durable and quality hiking boot

Thus far the boot has held up very well.
After about fifteen miles into my first hike along the AT the soles of my feet began feeling uncomfortable due the the high continuous impact and minimal cushioning.

Therefore, I purchased the moldable insoles which are also sold by REI to alleviate the discomfort.

Some minor blisters had also been developing, which I suspect is normal for any brand new boot on a mild length first hike.

Also note: When hiking I tend to wear Smart Wool Sock Liners and a mid-weight wool sock.
The tempature that day was ~70-80 which could have added to my feet's overheating/blistering.

In all, I would say these boot are great. Possibly a little heavy than some would prefer. But, they are certainly very durable and provide ample support.

Waterproofing is very good as well. Spent nearly two hours hiking in torrential downpours and my feet were no more wet than the result of my own sweat.

I'm excited to use these boots come winter and in combination with microspikes. I believe they may be a more appropriate boot for snow/winter conditions.
NERangeRoamer at REI on 08/08/2012

Great boots

My other boots gave out while packing up for our weekend. I had not planned on dropping serious money on boots until the spring. Ran to REI, picked up these boots which I planned on getting anyway. No break in time at all. We went to Pedernales Falles in Johnson City, TX (live near Houston). Not a big trip but still long enough. Had about 40lbs. Put on about 6 miles total and they felt great. Had to adjust a little bit while walking but come on, that is expected with no time to adjust before hand. Weather was frigid hiking in and hiking out. 40s high and 20s low with 10 MPH wind. We were pretty much the only people in the park due to the weather. We went to the falls where the water was high mid-high 30s. I stuck my entire boot into the water and the water just beaded right off like it was never even wet. Wearing liners and wool socks my feet were also very warm even in the water. I hope they perform just as well for our week-long CO trip in May. No complaints thus far.
Jackal01 at REI on 02/02/2012

An all around solid boot for backpacking

The salesperson at REI recommended these boots as a rugged hiking boot.  I'm very glad I got them.  I'm a big fan of both Merrel and Asolo and needed a boot for a six month travel and hiking trip throughout Asia.  These books are holding up very well and I couldn't be happier with them.  I had no issue breaking them with some light hiking in the Delaware Water Gap and have used them extensively throughout Turkey and the Middle East.  They are very rugged and the vibram soles are tough and sticky.  The uppers are well constructed with layers of material.  Very durable.  The soles and heel offer very good support when navigating rocky trails.  I also purchased green superfeet which add to the comfort.  I've never used superfeet before in my boots, but I do believe they make a difference when hiking miles with a heavy pack.  All in all these boots are light, rugged, and comfortable.  Well worth the price and I would buy them again.
Mhamrah at REI on 09/09/2012


Snug, highly responsive, solid, dry, boot. If you trust your feet and balance its a great product. I compared it to a similar pair of Solomon's and prefer the thin solidity of the Asolo's. This sole is more narrow than others which could potentially have less grip on rocks or sand if climbing. Needed very little break in - no blisters or hot spots ever. Needs more cushion though. After 90-100 miles I opted for a non-factory insert and happier for it. I would factor these into the boot price from the start. The sole is definitely not as solid as a Vibrom or similar brand, but has more elasticity for it. I've heard much talk of Asolo tread wearing out, but the sole of my last pair outlasted the leather - 10 years, including a Himalayan trek and journey around the world with them. Lastly, its a very warm boot. Perhaps too warm in the peak of summer unless you have many water crossings.
jkenchen at REI on 09/09/2010

Very Happy with These Boots

I bought these boots after trying on a few other Asolo boots. These seemed the most comfortable (my foot is kind of narrow). I was surprised at how light they were for being a full boot.

The soles do show some wear (I have about 30 miles on them or so currently), but support is great. I carry a heavy load and have no problems. You don't feel any pointy rocks beneath your steps, and the traction is fantastic. Maybe the reason the soles show wear because of slightly softer material? I don't know, but traction is great.

Very resistant to water. My feet have never gotten wet, and I've stood in the middle of several icy streams just to see if my feet stay dry.

I don't use any aftermarket insoles in these, but I may try just for comparison's sake. I do hike in REI Moreno wool Expedition grade socks though.
Kodiak Jack at REI on 08/08/2013

I was previously in the military, and was always on the search for the best boots available because of the copious amount of time I spent on my feet. I opted to but Asolo boots because they are so incredibly popular among the military (those of us who could wear non regulation boots). I used these boots for the better part of a 12 month deployment in Afghanistan. I love everything about these boots. They had a very short break in period, if any break in period at all. Two years later the boots feel like an extension of my feet. They can be slightly warm when walking around in the middle of the desert. The sole has worn down significantly. Of course I can't imagine how many miles I have logged in them. I would recommend these boots to anyone who needs a boot that offers great support, and durability, with minimal break in time.

Steve at on 04/28/2013

Great boot, but get the price matched!

This is a great boot. I recently purchased my pair to wear for a new years week trip to Paris. I knew I would be dealing with lots of walking in inclement weather. The boots handled the hours walking, and the elements perfectly. The boots fit perfectly, which was quite a relief to me. I'd never purchased shoes online before because I'm picky about fit. These fit well, and caused no discomfort.The laces take a little getting used to. They work well, but the bottom eyelets that you have to hook the lace into each time you tie them up tends not to catch the lace properly unless I am careful. Truly a small issue. I have only one complaint. I bought these boots from REI, and before I received them, I found them in stock from another internet retailer for [$]. Bottom line: I like them, and wear them every chance I get.
LMiller at REI on 01/01/2011

Negative Reviews:


I needed new boots to climb Kili, so I got these for their durability and comfort. I wore them on three "break-in" hikes averaging 10-20 miles and returned them because basically the soles of my feet and outsides of my ankles hurt after a short time wearing them. The uppers remind me of ski boots, which I initially thought as a plus to provide support but they quickly began to bruise my ankle bones and I never felt that the material began to "give". To the contrary, the material behind the lacing grommets seemed thin. I also developed hot spots on the balls of my feet which I thought was unnecessary. I am a fairly experienced hiker from Boy Scout days, so I believe that I gave these a good chance. Others have, and may, find these to be the perfect boots, but while the quality seemed solid, the fit for me did not.
Michigan atty at REI on 08/08/2011

Boot falls apart way too quickly

I've had two pairs of these boots. On the first set, the stitching on the gortex near my left big toe started to come undone. It continued to fall apart to the point where water could easily flood into my boots. I had them for just a little over a year, and I used them sparingly: a couple 5-day hiking trips and some light work on the farm. Asolo was kind enough to send me a second pair for free, but within six months, the stitching--in the same spot--started to come undone once again. I used this pair of boots sparingly, too. The boots, otherwise, are perfectly fine. But there seems to be a major design flaw that causes the stitching to come undone.
KenIII at REI on 02/02/2012
I am very disappointed with this product. I have been wearing them for two weeks for 8-9 hours a day. The cuff is so poorly designed and crafted that it has hard pressure points under the lace points resulting in extreme pain. I have cut them out to make the boots wearable. The fit has changed to much in over all volume and width due to material compaction I have added an addition insole and 3 layers of duct tape on the original to secure my foot in the boot. The 10.5 was to short the 11 is way to big indicating to me a cheap lasting program. Avoid this entire series of Asolo products unless you have a high volume foot.
David s - customer at on 03/02/2012

I bought these for a lighter hiking boot and having been in 3 pairs of 520's they had some "Big shoes to fill". Lightweight they certainly are but I hardly believed they were gore tex as I got soaked my 3rd trip out in them. They could be improved with a Vibram sole because after one season, the sole is Gone! I have had 520's go 5 years before they look like my flames do after one. I will certainly look into a Vibram resole. As for the gore tex leaking I didn't get far in trying to warranty them :(

Matthew Jensen at on 09/03/2012

Not a backpacking boot

I bought these without doing any research. I would not reccomend these for backpacking. Aslo choose to use EVA midsoles instead of Poly Urathane. EVA is not suitable for mountainous terrain or pack weight. You will feel it in your knees and ankles after a few miles. I will keep these for snow shoeing. I picked up a pair of 525s which are made with Poly Urathane insoles for backpacking. On the plus side, they do fit well and the toe box is great. Just not meant for folks who carry any weight or hike up or down moutainous terrain.
Mike the backpacker at REI on 08/08/2011

Bad Bad BAD!

First of all, I have been a Wildland Firefighter for way too many years and i have never felt or worn a boot as uncomfortable as these are. The rigidity and lack of traction makes it extremely difficult to walk through mildly rough/steep terrain. It may just very well be my feet but i wouldn't recommend these boots to my worst enemy especially for the price (I mean bend over and take it like a man right?)
sawboss44 at REI on 10/10/2011

Poor sole wear

While this boot maybe has a sole that doesn't collect mud it is so shallow that in a year it is worn smooth. Traction isn't bad but not great either while there is still tread on the sole (6 months ).I would never buy any hiking boot that doesn't have a vibram sole again. This boot is ok if you only want to wear it to church on sundays.
team sidewinder at REI on 03/03/2010

Neutral Reviews:

I got these to replace my ten year old Vasques that were cracked and leaky. These lasted about five years of moderate use; the soles are worn nearly flat, the lace eyes are pulling out in a couple places, and the toe rubber has fallen off of both boots. On the up-side, there was minimal break-in, and they stayed laced tight through stiff downhills with heavy loads. I won't be replacing these with another pair; partly because I expected better life-span from a boot in this price range, but mostly because they just weren't quite right for my feet.

Michael Nies at on 12/25/2013

the beter half

well as all asolo boots these wore out very fast. they required no berak in which was great because i took them on a 30mi hike with no problems at all. also on that hike we were walking in streams which i was glad that hey were gortex lined. they were a bit warm for the summer. on my philmont trek. over all i was disappointed that they wont be able to be used next summer and i will need a new pair for my colorado trip.
pascal the mountianeer at REI on 08/08/2011

i dont want a head line on this

I had all of 3 days to break then in before a 11 day backpacking trip. Should have broken them in longer because they rubbed my ankles raw even with a medium and light pair of socks on
scout2 at REI on 07/07/2012