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Klim Mammoth Socks
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Klim Mammoth Technical Socks

The Klim Mammoth Sock is our warmest and thickest technical sock designed to enhance the performance of GORE-TEX® boots by wicking moisture away from the skin allowing the foot to stay warm and dry even in the harshest environments.

  • 100% Terry Construction
  • High thermal retention value
  • Reinforcement in sole, heel, toe and ankle
  • Ankle support band
  • Arch support band
  • Patterned bend
  • Wicks moisture
  • 85% Merino Wool
  • 12% Lycra
  • 3% Polyamide
  • Men's Sizing: 4-6 Small; 7-10 Medium; 11-14 Large


Note: The Klim Mammoth Technical Sock is recommended to obtain the full functionality of GORE-TEX® boots.

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Klim Mammoth Socks 4.8 5 4 4
Excellent Winter Riding Sock I have approximately 3000 km of riding wearing these socks in cooler temperatures ranging from 15 - 40 degrees F under the TCX Infinity GTX boots on a Triumph Tiger 800. Even in moderate winds on a 20 F degree day, I was able to ride comfortably for 2 hours. After 2 hours, my toes started to get cold, but not annoyingly so. Pros: nice cushion, just enough elastic, high percentage of Merino wool, don't stink, warm I am thoroughly satisfied with these socks. Just try to avoid catching the socks on Velcro as it pulls the wool. January 19, 2013
Decent sock, sung fit, good buy. Bought these socks on the strength of a couple decent reviews I read. They are a snug fit - the large is for shoe size 11-14, I got large and I am a size 10, so I recommend buying a size up. They are knee length which is nice and not so thick as to cause an issue with getting your boots on. They are warm but honestly not any warmer than the socks I was using, which were from Sportsmans Warehouse. A good sock at a fairly high price but overall no complaints. December 6, 2012
Super quality socks Love these socks - thick and soft - like having a pair of slippers on February 6, 2012
Awesome Socks! I never thought I would be using the words awesome and socks in the same sentence but the Mammoth socks from Klim kept my feet warm and comfortable. While the socks may seem a little pricey, they flat out keep my feet extremely warm from the minute I put them on. I wouldn't wear them all day indoors at work because they are a little too warm for that but they breathe well so that's not a huge problem. Fit was spot on for my foot size and being in them all day was no problem comfort wise, they're that comfortable. I rode 21 degree weather wearing non insulated leather boots and I didn't feel cold at all, to the point that I didn't even think about it. I will definitely buy more of these socks. Also, while they are fairly thick, they fit into boots very well. January 3, 2012
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Have a functionality, fit, or otherwise product-specific question about the Klim Mammoth Socks? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Product Style RevZilla SKU ID Manufacturer Product # Availability
SM 721547 6005-120-000 In Stock: Ships next business day
MD 721548 6005-130-000 In Stock: Ships next business day
LG 721549 6005-140-000 In Stock: Ships next business day