All you need to stay warm and dry all day long! Oil-resistant ram light direct attach outsole provides great traction on all surfaces. Aegis® Microbe shield applied to terra suspension footbed prevents odor. 400 Grams of 3M® Thinsulate™ insulation - an incredibly lightweight and non-bulky insulation that will keep your feet toasty warm. Full-grain polished leather. Non-metallic shank. Made in the USA, Berry Compliant.