Polishable Full-Grain Leather and Ripstop Nylon Upper To reduce the weight of the boot, we combine our smooth, full-grain leather with incredibly strong ripstop nylon. This durable upper is completely polishable. GORE-TEX (GTX) 100% waterproof and breathable, GORE-TEX liners ensure that no water gets in, while allowing sweat and moisture to get out. Plush Dual Density Footbed with Airthotic® Heel Clip This patent-pending, plush, dual-density footbed provides superior cushioning, underfoot venting for maximum airflow and Airthotic® heel clip for support. Danner Kinetic Outsole Multi-directional, low lug pattern provides superior surface contact and traction. Great for sudden acceleration and stops. How It Fits The 1368 last is a sleek, streamlined last that is excellent for light trail, multi-sport and casual use. Provides a running shoe-like fit and ultimate comfort. Specifications Style 28010 Weight 51 oz per pair Height 8" Insulation Non-Insulated Color Black Footbed Polyurethane Shank Nylon Last Type 1368 Lining Waterproof Liner GORE-TEX Outsole Danner® Kinetic Recraftable No Manufacturing Imported Toe Protection Plain Toe