Lightweight, and completely waterproof with built-in gaiter on top to seal out the elements. Comfort rated to -100oC/-148oF. Removable 8 layer inner liner. AVA and Therma Tuf insole. Premium polar rubber outsole, TR/Rubber/PU base. Unbeatable combination of warmth, comfort, and durability makes for a perfect choice for those all day cold weather outings. Available in Men"s sizes - 7-14.