With a revolutionary iconic design, the Spherica™ sneaker for men has an amazing cushioning effect and peerless levels of comfort.Crafted from nappa and suede, with its gorgeous aesthetic, it will lift casual looks with a contemporary touch.Shoe closing:Laces.Composition:Insole composition:100% Textile Mesh Polyester.Lining composition:63% Textile Knitted Polyester-20% Synthetic Microfiber-17% Textile Knitted Nylon.Outsole composition:100% CMEVA.Upper composition:37% Leather Bovine Suede-23% Leather Bovine Full Grain-16% Textile Canvas Cotton-12% Textile Knitted Nylon-12% Synthetic Polyurethane.