The best choice for those cool or cold days where the breathability of the GORE-TEX INFINIUM fabric allows moisture to evaporate, retaining heat inside. The neoprene details make this shoe cover perfect in fit, while the adjustable opening under the foot makes it fit for any type of shoe. GORE-TEX INFINIUM WINDSTOPPER fabric protects against wind and retains heat. Bottom opening fits street, gravel or MTB shoes. Velcro closure under the foot for a perfect fit. Durable panel wraps around the bottom to protect the shoe cover when walking. Neoprene panel on the back for a perfect fit.