Dunham - Terrastrider Insulated Extra (Brown) - Men's: Maximum protection, stability, and traction in this ultralight construction gives you the feeling you can go anywhere, any day. Full grain leather upper. Dryworks moisture management membrane system provides waterproof protection and breathable comfort. Thinsulate 400g. insulation for cool weather use in any conditions. Lightweight compression molded EVA midsole enables a faster trail pace. Gusseted tongue keeps debris where it belongs: on the trail, not your shoe. Direct contact ABZORB in the heel and forefoot provides superior shock absorption and ideal underfoot cushioning for maximum multi-mile comfort. Dual TPU plates sandwiched between the midsole and outsole: the rear plate provides torsional stability and the front plate is flexible for forefoot mobility. Non-stretch stability wings provide a secure heel and forefoot cradle for lightweight lateral support and secure foothold. Armor-tech mesh panels are tough but very lightweight. Vibram outsole with exclusive Waffle Stomper multi-directional lug. Vibram Supertrek compound rubber outsole is formulated for enhanced grip on rocky surfaces (Supertrek is soft enough for smearing moves, yet firm enough for edging). SL-1 Sport last shape provides a more athletic fit. 360 fit design considers not only length but volume. Extended sizes and widths to fit wide and long feet.