The upper part is waterproof CR-grade Neoprene while the ankle is lined with wetsuit-inspired Smooth Skin Neoprene to ensure maximum grip and waterproof protection The water-resistant and windproof Neoprene toe box keeps feet totally toasty and warm Ultrasonically welded seams on the instep and taped seams around the back keep the water out Rear loop for easier slip-on wear 17 cm heightAge Group: AdultColour: BlackMade in: ChinaGender: MaleMaterial: NeoprenePackage Quantity (pcs): 2Size: LSelect Size: L: Covers: Bike (CMS): Unisex (CMS): Adult (CMS)Original Colour by Producer: BlackSelect Size: 41Select Size: 42Select Size: 43