The Specialized Defroster Mountain Bike Shoes are designed to keep your feet warm & dry right through the winter. The Defroster has a neoperene colour around the ankle to stop water penetration & a Thinsulate insulation lined semi-sealed bootie construction to keep the inside of the shoe toasty. To keep your toes even cosier Specialized have designed the Defroster with a roomy fit to accommodate thick winter socks so you don’t need to size up to get extra room. Although designed for mountain biking the Defroster shoes can equally be used for commuting or winter touring & the outside of the shoe is fully reflective to increase your visibility to other road users. The Defroster shoes are compatible with standard 2 bolt SPD cleats so they will work with a wide variety of clip-in pedals. Although the focus of these shoes is keeping you warm they are still a performance piece of kit. Like all Specialized shoes the Defroster uses Body geometry sole construction & footbeds that are ergonomically designed not just to be comfortable but also to actively boost pedalling power & efficiency. Features Body Geometry sole construction & footbeds are ergonomically designed & scientifically tested to boost power, increase efficiency, & reduce chance of injury by optimizing hip, knee, & foot alignment. Thinsulate® 400-gram insulation for warmth, with waterproof, seam-sealed internal bootie construction & reflective heat-loss barrier in the sole. Sealed canopy & neoprene collar keep heat in & water out. Nylon composite sole with wet traction Slip Not™ rubber tread: Stiffness Index 6.0. Single Boa® dial for on-the-fly micro-adjustment, backed by the Boa® Lifetime guarantee. Fully reflective to increase your visibility to motorists in low-light conditions. Roomy fit to accommodate winter weight socks—no need to size-up. Durable sheet rubber heel & toe protection. Two-bolt cleat pattern fits all major mountain pedals. Approximate weight: 533g (1/2 pair, Size 42)