Material Composition: 100% Leather ATS® technology provides ergonomic support on uneven terrain DRYShield™ waterproof construction keeps you dry in wet environments 3M™ Thinsulate™ Insulation for warmth with less bulk Removable Pro Performance insole for cushioning and shock absorption Lightweight EVA midsole absorbs shock Duratread™ sole is extremely durable while still letting your foot flex Lace-up Stirrup friendly sole Ariat Womens Telluride Waterproof Insulated Boots