This is the waterproof sock that started it all. SealSkinz designed the Waterproof All Weather Mid Length Sock to keep you dry and on the move in wet or cold conditions. Wet feet can lead to all sorts of not-so-good things outdoors, including cold and numb feet, blisters, frostbite, and worse. Ideal for a variety of temperatures, this sock will keep you dry and warm in rain, snow, and mud, through stream crossings, and standing in leaky waders. We're of the opinion that every person should keep a pair of All Weather Mids in their pack—just in case