Insulated Traditional insulation - typically felt or polyfill material offers a thermal barrier without the added benefits of premium insulations. GORE-TEX® GORE-TEX® fabric features revolutionary patented technology that is windproof, waterproof and breathable. GORE-TEX® is a registered trademark of W.L. Gore & Associates, Inc. Waterproof This product is built with quality waterproofing materials to keep you dry in wet environments. ◦Steel shank ◦Rocky® Air-Port® cushion footbed ◦Full-grain leather and nylon ◦BearClaw 3D outsole with exclusive ROCKY® 3D welt construction ◦1,000 grams of 3M™ Thinsulate™ Ultra Insulation ◦Waterproof and breathable GORE-TEX® construction ◦9 inches in height ◦Weight: 5.3 pounds per pair for a size 10