Castle X Barrier Boot 2

Construction: 3-Layer Merino wool blend insulation with wicking air mesh and perforated air trap foam. Castle Cold Shield® Technology: removable insole, wicking wool blend with metallic heat reflecting layer Waterproofing: Fully integrated Castle DRY-X® waterproof membrane. Weatherproof treated shell materials include 1000D nylon upper with Armstrong PU coated leather Reflective elements Molded high abrasion toe Castle Quick Connect buckle system Snow shield gaiter with bungee cord lock EVA footbed offers all day comfort & thermal enhancement from the cold Comfort Rating: -60*F / -51*C Replacement insoles available