These Sport & Style lace-up boots for men in black are made with the RiekerTEX membrane.Water-repellent and breathable.The innovative fiberglass grip elements in the outsole provide extra traction on icy surfaces.The insole with its cold-blocking three-layer construction ensures perfect thermal insulation.The shoe features the perfect combination of a zipper and laces. Closure: Zipper Style: Sport Style Upper Material: Synthetic Leather Sole: Light TR Heel Type: Flat Lining Material: Textile Width: Comfort Width (G - G ss) Heel Height (mm): 49 Shaft Height (cm): 13 Features: Comfort Width, Thermosole, Rieker TEX, Fiber-Grip Sole Color: Black Secondary Color: Black Insole: Textile Insole: Soft Removable Insole Lining: Warm Lining Material:Wool lining