Walk Dry: These gray Sport & Style Rieker lace-up shoes for men, made of high-quality synthetic leather, are water-repellent and breathable thanks to the RiekerTEX membrane.The EVA/rubber outsole is super lightweight and flexible for greater agility while walking.The insole is removable. Closure: Lace-up Style: Sport Style Upper Material: Synthetic Leather Sole: EVA/Rubber Sole Heel Type: Flat Lining: Textile Width: Comfort Width (G - G ss) Heel Height: 37 mm Features: Rieker TEX Color: Gray Secondary Color: Black Insole: Textile Insole: Removable Lining: Cold Lining Material: TEX Membrane