Castle X Barrier Snowmobile Waterproof Riding Winter Boots - like new/new with out tags - size 7 womens - 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 - Rubber sole with internal EVA shock comfort chambers - Comfort Rating: -60F motorcycle, motor sports, moto cross boots