Colour: medium red. Upper material: 100% cowhide leather. Lining: 70% recycled PET, 30% cowhide. Outsole: 70% EVA - 30% natural EVA. Features Better Leather, Better Linings, Better Outsoles. CAMPER - Red nubuck men's sneakers with XL EXTRALIGHT® Organix™ 3.0 outsoles with 30% biocircular components. Runner K21 is the latest addition to the Runner family with a retro-inspired approach and a craft touch featuring a new increased volume.