The SealSkinz Waterproof Cold Weather Knee Length Sock is a 100% waterproof, windproof & breathable knee-length sock. The ultimate knee-length sock for keeping the elements at bay.The iconic waterproof sock has been beefed up to tackle the cold and increased to a length that will keep you dry and on the move. Wet and cold feet are definitely no fun and can lead to all sorts of not-so-good things outdoors, including numbness, blisters, and frostbite. These socks will keep you warm and dry in rain, snow, and mud while the knee length will give you that added extra bit of protection. The ultimate sock for making the elements a non-issue.SealSkinz Waterproof Cold Weather Knee Length Sock FeaturesDesigned to Keep You Warm and Dry - Thesecold weather socks are crafted using a three-layer bonded construction that combines a 100% waterproof hydrophilic membrane with a premium Merino wool interior for warmth and sweat-wicking, and a durable nylon blend exterior with 4-way stretch for great fit and wearability ... More info