Sock-style trainers with knitted uppers, contrast branding and a fishbone sole by BOSS. For BETTER BOSS products, Boss 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. Laces Partially lined Packaging: Box 100% Polyester, 85% Polyester, 80% Polyester (recycled) , 20% Polyester, 15% Polyurethane, Sole: 70% Ethylene vinyl acetate, 30% Rubber, Facing: 100% Thermoplastic polyurethane, 100% Cow skin, Upper material: 80% Polyester (recycled) , 20% Polyester, Innersole: 100% Polyester   TTNM EVO_Slon_knsd 10232616 01 50498904/340 Green BOSS SHOES & ACCESSORIES Boss Sock Trainers with Knitted Upper and Fishbone Sole - Green