Cupsole trainers with leather uppers, BOSS branding and signature-stripe detailing by BOSS. A minimum of 60% of the leather used to make this product has been sourced from certified tanneries using low-impact methods, for a reduced impact on the environment. By purchasing this product, you are supporting responsible leather manufacturing through the Leather Working Group (LWG). We only use skins and hides which are by-products of the food industry.