Hybrid trainers by BOSS, designed in a running style in mixed materials with an EVA-rubber outsole and logos on the tongue and side panel. For our BETTER BOSS products, we always use at least 60% better raw materials. This product is made from at least 60% recycled polyester. Recycled polyester is an artificial fibre made from oil-based waste such as old PET bottles. LacesFully linedPackaging: Box 100% Polyester, Sole: 60% Ethylene vinyl acetate, 40% Rubber, Facing: 100% Cow skin, 60% Polyester, 40% Polyurethane, Upper material: 100% Polyester (recycled) , Innersole: 48% Polyester, 48% Viscose, 4% Polyurethane 50498133