Castle X Force 2 Women's Snowmobile Boot White SZ 6

3-Layer Merino Wool blend insulation with moisture wicking air mesh & perforated air trap foam. Castle ColdShield Technology: Removable insole engineered from a moisture wicking wool blend with a metallic heat reflecting layer. 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 Speed Lace system with an articulated padded collar. Durable high traction rubber sole. EVA footbed offers all day comfort and thermal enhancement from the cold.