adidas Climawarm Winter Hiker Speed Climaproof Boots - AW17 Climaproof Technology - The treated shell acts as a barrier against the elements whilst transferring excess moisture away from the body. Synthetic Upper - Enhances the durable nature of the boot. Stabilising Ankle Frame - For improved support. Durable Toe and Heel Caps - Deliver maximum protection and abrasion resistance. PrimaLoft Insulation Material - Promotes warmth even in wet conditions.