Construction: 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
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 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