Men's Clothing > Fleece & Base Layers > Bottoms

Active Boxer Briefs are highly breathable, moisture-wicking, and nonbinding Patagonia's Active Boxer Briefs are highly breathable, moisture-wicking, and nonbinding. An exposed waistband helps streamline the fit; the coverstitched hem and rolled-forward leg seams ensure chafe-free mobility. Full-cut for comfort, with a 5 1/2" inseam (size M) and easy-access fly. Made...

Keep your muscles warm and working with the low bulk, yet super-insulating Capilene 4 bottoms from Patagonia that crank up the thermostat for your mountaineering or backcountry adventures. Capilene fabric ensures a long lasting, quick-wicking, fast-drying, and smooth finish under any layer. Stretchy fabric allows dynamic moves and extra layering...

The Rho SL Bottom is a nearly weightless addition to your active wardrobe. Made from smooth Italian polyester, the Rho SL can be used as a foundation for outdoor layering or under your wool slacks while at work. These non-binding pants have as few seams as possible to make layering...

A superior baselayer in cool conditions, the XTC Lightweight ¼ Zip provides optimal warmth in a lightweight design. Made with Carbon from Bamboo technology, moisture wicks away from your skin, moving to the outer layer of the fabric where it quickly evaporates. Featuring underarm gussets for increased range of motion...

True all-day comfort starts with what you wear closest to your skin, and Patagonia's Active Sport Boxer-Briefs are minimalist, functional underwear built for men who simply refuse to spend their day sitting. By wicking efficiently and avoiding uncomfortable seams, these boxer-briefs are the base of a truly comfortable day. Get...

The Icebreakers Men's BodyFit200 Skin Leggings with Fly give you the warmth and technical properties of the best base layer around, with the convenience of a fly. Never fear, flat seam stitching means the fly won't add a ton of bulk and won't chafe you silly on uphills. Made from...

Looking for a perfect base layer? Not to thick, not to thin and ideal for variable mountain conditions. The Burton Midweight Pant is One of our best selling Burton Base layers. Looking for a perfect base layer? Not to thick, not to thin and ideal for variable mountain conditions. One...

Crafted to provide excellent comfort when worn with boots, ARCTERYX's Rho AR Boot Cut Bottoms are a time-tested baselayer for outdoor aficionados and make a great stand-alone, shorter length tight for runners. Soft, Polartec Power Stretch allows you full mobility and a soft next-to-skin feel while the shorter length stays...

These quick wicking briefs by Patagonia keep you cool and dry whether you're travel by bus, kayak or stubborn yak. The non-binding waistband is brushed for next-to-skin softness, and elastic in the leg openings provides a supple fit without constricting. With reversed-out stitching for chafe-free comfort, an easy-access, functional fly...

Can you believe that on top of everything Shaun White has accomplished, including his own video game, gold medals in nearly every event, and first descent on the moon, he even has his own signature pant? The Burton TWC Baselayer Pants for Men has everything the White Knight needs—including four-way...

When the day promises sharp, chilly temps and long hours out in the elements, pull on the Power Stretch Tights from Mountain Hardwear. Stretchy and smooth, you stay warm and dry all day in Polartec 4-way stretch fabric that wicks moisture from your skin while allowing unencumbered movement. Specifications based...

We have no idea why Oakley called this the Enclosed Bottom when you’re supposed to wear it riding, but we didn’t look at the outside of the package. Maybe it said ‘Toasty, Wicking Honeycomb-Knit Base Layer Pant That You Can Also Wear Around The Lodge Enclosed.’ But that’s a pretty...

Capilene base layers are satiny soft against the skin, and the Patagonia Men's Active Classic Boxers reign supreme. Choose from Patagonia's regular-length classic version (inseam, 4 5/8") for its streamlined styling, or the longer Boxers (inseam, 5 3/8") for relaxed waist, covered waistband and slimmer fit through the legs. Functional...

These superbreathable no-fly briefs are the minimalist's choice for high-octane endeavors. Made from a blend of fast-wicking, quick-drying polyester (71% recycled) and 7% spandex that has both stretch-mesh (for support) and open mesh (for cooling airflow). Soft edging at the leg openings and a seamless waist won't roll or create...

Whether you're skiing, biking, running or bagging peaks, the XTC Midweight Tight for Men will become a key part of your layering system. The soft, thermally efficient, and high-performance design was developed for multisport athletes who spend a lot of time in their base layers, either on day trips or...

The Men's Boxer from Ex Officio is the one pair you'll pack every time. They've been designed to fit comfortably without bunching or binding on even the most demanding travel days. Odor resistant and quick to dry without a dryer, you can bring fewer pairs, wash as you go and...

The SmartWool Lightwight Bottom will knock your socks off with its comfortable elastic waistband, flat seams and custom fit. Smartwool's most versatile fabric is in the SmartWool Lightweight Bottom, used for moderate to high performance activities in a variety of temperatures. Ideal by itself in mild condtions, great as a...

Drag yourself out of bed and into the Burton Men’s Lightweight Bottom. The feeling of smooth polyester next to your skin prepares your senses for an early morning on the mountain. The double-knit mesh fabric wicks sweat away from your skin while you slash the first lines, and the antimicrobial...

Wear them beneath shell pants on your trudge up Whitney, or on their own in your bag back at camp. Made from an open-knit 4-oz polyester (54% recycled) that provides exceptional breathability, wicks perspiration and dries in a flash, our Capilene 2 Bottoms are the ultimate in comfort beneath outer...

Eco-friendly cotton boxers that wear easy on the waist and soften with time. Encased elastic waistband for comfort and durability. Yarn-dyed, woven construction. Side vents at the leg openings for mobility. Flat-felled seams for less bulk and refined appearance. Sits low on the waist and is slim through hips and...

Decscription of Arcteryx Rho LT Boot Cut Bottoms A great layering pant, the Rho LT keeps you fresh with anti-microbial protection. This Arcteryx baselayer pant provides a snug fit for aerobic activities in cool or warm weather. The Rho LT baselayer is a synthetic foundation that enables warm, dry next-to-skin...

Fine Merino wool makes the Arc'teryx Rho LTW Bottom soft against your skin and has a natural ability to move moisture away from your body. The Rho LTW Bottom retains its warmth even when wet should you happen to step in a river while trekking back to camp. Lycra adds...

Craft Curve thermal tights support and warm hard-working muscles during winter runs, cross-country skiing and other cold-weather sports. Pre-curved design for an anatomic fit Microfleece inner surface traps body heat Elastic gripper hems Reflective accents Ankle zips: 6-¾" Inseam: 27" Weight: 8 oz. Fabric: 82% nylon, 18% spandex Care: Machine...

Three layovers, two delays, one comfortable brief, the Ex Officio Give-N-Go Sport Brief. These sport briefs have the features you want to pack, or wear on the way to your biggest adventures. ExOfficio clothing field-tested and approved by the African Wildlife Foundation. Travel-friendly Give-N-Go Stretch™, 94% Nylon, 6% Spandex Air-dries...

When you put on your midweight bottoms for a day of skiing or hiking, you tend to end up with a lot of material bunched up at the top of your boots. Not only is this extra material annoying, but it also makes you sweat more. The Icebreaker Men's BodyFit200...