Part of the Sub Zero collection, these boots are designed for winter conditions; think everything from snow to sleety pavements. Each boot in this collection delivers technologically outstanding grip, comfort and warmth, all brought together with contemporary aesthetics.Thinsulate is the best footwear insulation around. Warmth without bulk, it traps insulated air and radiates it back to the body.The Ortholite insole allows air to circulate around the foot, while moving moisture away from the body. It offers long term cushioning and comfort and is extremely lightweight, so has no detrimental effect on the performance.The Vibram outsole provides an excellent balance of durability, protection and traction. The tread patterns provide all of this, while shedding dirt exceptionally well.*Durable, premium, waterproof leather and nubuck upper for long term comfort*Oversized D-rings for design aesthetic