Fox River X-Static Liner

Priced: $8.80 - $11.95 Rated:   - 5 stars out of 5 by 33 reviews. $8.80
19% off
Regularly: $11.00
Campmor $8.98
18% off
Regularly: $10.99
Ramsey Outdoor $8.99
18% off
Regularly: $11.00 $10.99
REI $11.95
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Fox River X-Static Liner -
A Backpacker Magazine Editors' Choice Award winning product, and for good reason. There are a whole lot of features, packed into the Fox River X-Static Liner Socks. Silver fiber construction regulates temperature and is anti-microbial to inhibit odor and bacteria. Ultra lightweight and smooth, to fit nicely under your outer hiking socks.


  • 60% polypropylene, 20% nylon, 19% X-STATIC® nylon, 1% Lycra® spandex
  • X-Static nylon helps regulate heat, keeping feet comfortable in a variety of temperatures
  • Natural antimicrobial silver-coating in X-Static® nylon won't wash out or wear away over time
  • Contains all-natural silver-coated nylon fiber to provide odor protection, comfort and anti-microbial properties.
  • Polypropylene base fabric wicks moisture away for dry comfort


  • Wick Dry® Health System keeps feet dry and comfortable

Weather and Wind:

  • Smooth, flat toe seam


  • True rib top for comfort


  • Made in USA.


  • Backpacker Magazine Editors' Choice Award winning product.
  • Ultra lightweight.
  • Ultra light weight
  • No bulk with smooth jersey knit
  • X-static® transfers heat and regulates foot temperature, keeping feet cooler in summer and warmer in winter.
  • Silver X-static® fiber eliminates odor and inhibits growth of bacteria and fungi.
  • Discount will be applied when you check out. Offer not valid for sale-price items ending in $._3 or $._9
  • Silver provides natural thermal conductivity to even out foot temperature

These moisture-wicking Fox River X-Static liner socks received rave reviews for their ability to help keep foot odor at bay.

Made in USA.

Great under your favorite outdoor socks, or alone for ski or travel. Keeps feet comfortable and odor-free with natural antimicrobial benefits of silver.

Ramsey Outdoor
Made with X-StaticĀ® to help eliminate odor in the sock. This silver coated nylon will assist in minimizing static and regulating temperature.

Mid-calf length, silver coated nylon, antimicrobial, therapeutic conductivity, thermal conductivity.

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Average Price History: Price History
Review RatingNumber of Reviews
Content:60% polypropylene, 21% stretch nylon, 19% X-static® nylon, except 3% Lycra® spandex added to top
Fabric:60% polypropylene/19% X-Static nylon/18% stretch nylon/3% elastic
Material:60% Polypropylene, 19% X-Static Nylon, 18% Stretch Nylon, 3% Elastic in Top
Sock Thickness:Ultra Light
Sock Type:Liner
Sock cushioning:No cushioning
Sock height:Crew
X-Static®nylon throughout for:antimicrobial protection, thermal conductivity, anti-static protection

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Fox River

Fox River X-Static Liner Reviews:

Positive Reviews:

Superb Liner

I work heavy construction year round. Last year I developed tendonitis in my achilles tendons because my work boots were too tight due to doubling up on winter socks. 2 doctors told me I needed weeks of rest to let it subside. Instead I bought 5 pairs of these liners based on other reviews and I saw my tendonitis fade away while working on my feet in just a few weeks. I didn't need to wear 2 pairs of wool socks anymore to keep my feet warm; these liners helped remove the sweat on my feet while providing another layer for warm air to keep my feet warm. After a season of hard use, they haven't shown any signs of wear and continue to provide maximum comfort and warmth. They are honestly so thing that I feel like they could wear out very quickly, but based on other reviews they seem to last years. I would absolutely recommend these to anyone who wears a winter sock.
Joe Carpenter at Campmor on 11/11/2010

One of the better liners available!

Trying to find a decent pair of sock liners seems to be getting more and more difficult- for someone like me who works in a Shop where there is always moisture/water around, these are a necessity! These liners are better than just the plain poly liners because they actually do something the others dont- they actually insulate well! If you are someone who works outdoors, plays alot outdoors or is just on their feet all day long in boots, these are for you. They keep your feet dry and comfortable, cool in the summer, warm in winter and keep your feet from having that "clammy" feeling when they sweat, especially in non-goretex boots. These are a must for wear under your regular socks.
Colinsdad at Campmor on 05/05/2011

They work!

I work as an EMT and used to wear only dress suit socks in my waterproof slip-on boots. At the end of a 12+ hour shift, with 10+ hours of not taking the boots off, my feet were quite funky when getting off shift. I've been wearing these Fox liners (Backpacker magazine tough award winner) and love it. My feet funk has decreased exponentially, whether in dress socks or wool socks. Definitely recommend them for anyone working in boots or nonbreathable shoes all day long.

They are quite thin, will see if Backpacker's editors are right about its life expectancy.
tinmancan at REI on 04/04/2010

Long Lasting and Comfortable

I bought a pair of these liners after reading about them in a Backpacker Magazine gear guide review. I have not been disappointed and I am back to buy two more pairs.

Other sock liners that I have used do not seem to retain their shape and get bunched up. These stay in place and do not get stretched out when wet. Excellent design.

I marked "thin" as a Con - these are almost as thin as a nylon stocking. They are best used as designed - as a liner within another sock.
mom rocks at REI on 09/09/2013

Odor-Control in a Liner Sock!

I looked for years for a sock like this. I've been haking large sections of the Appalachian Trail in the past few years and this makes an ideal liner sock. I normally wear it under my Smart Wool socks and the Silver Threads help to keep the bacteria and thus foot odor to a minimum. They hold up to trail use well and they can be worn alone with hiking boots or shoes in hot weather. I really like these.
the Colonel at Campmor on 11/11/2010

Perfect liner socks

I've been using these since 1975. Though they've gone through various design changes, they've consistently been a sock I can depend on to prevent blisters and wick moisture.

My personal observation is that they tend to stretch over the course of a long day of hiking or other activity, sufficiently that the suggested range including my size, 9.5, fits a bit large. I buy the next smaller size range, and they fit perfect from dawn to dusk.
mazama mamma at REI on 09/09/2007

Great Ski Sock Liner

Bought for use as a Liner under high ski socks. Keep feet a bit warmer and a bit dryer. When you think about it ski boots are never really dry. Feet sweat but the moisture has no place to go. The boots also properly fitted reduce blood flow to the feet, assuring colder feet. These socks definitely helped keep my feet warmer.
Chiker at Campmor on 01/01/2013


I started wearing these under my Smartwool socks and all I can say is "Wow". These make a HUGE difference in how comfortable and dry my feet stay, (my feet would typically sweat on long hikes). Fifteen to twenty mile hikes through varied terrain have not compromised the effectiveness of these liners in the least. Highly recommended.
OR PCT Nut at REI on 01/01/2009

Simply Awesome

I first wore these under cotton socks. Even then, my feet stayed dry no matter how wet my old cotton socks got. I now wear these under the smart wool socks from REI and they work great. No blisters, no friction, and dry feet! You've gotta get these socks!
SoCal Sue at REI on 02/02/2008

Foot savers!

A solid pair of liners. Comfy, silky texture that regulates perspiration yet provides added warmth in cooler temperatures. Would recommend pairing them with non-synthetic hiking socks (i.e. wool). Washes easily and dries quickly for repeated use during travel. Haven't had a blister yet with these!
mrcloc at REI on 09/09/2007

Negative Reviews:

too slippery

These socks wick well but were so slippery inside my wool socks that I got blisters from sliding around. I ended up going without liners the second day and was fine with just my smartwool socks. I also prefer liners to be as long as my socks, which these were not. They were about half the length of normal hiking socks.
NYtoTX girl at REI on 11/11/2009

Neutral Reviews:

Maybe a size issue

I have a drawer full of liner socks that accumulated through the ages. Only a few seem to do what I think they should do: prevent blisters. These I got in the spring and have had them on my feet a few times with a wool sock over them. They don't stick to my feet and my feet end up rubbing a bit on these. They also bunch up under my feet. Some other sock in my drawer sticks tenaciously to my feet and the socks rub on each other, leaving my feet feeling as if they hadn't really gone for a 5 mile hike with a 25 lb pack.

I wish I knew where I got those other socks, however, another reviewer wrote something about getting the next size smaller, because of stretching during wear. That could be the answer to life's great liner sock mystery.
knowWhentoFold at REI on 06/06/2013