These lace ups are the ideal footwear with a lace closure to leave an imprint deep enough to change the world Made with premium leather and 20% of recycled rubber for the outsole Leather certified by the LWG (Leather Working Group) and recycled polyester nylon. The LWG audit protocol is used to assess the environmental performance of leather manufacturers The high density molded PU HELIUM insock cups the heel and provides all day comfort with increased shock dispersion upon impact Winterized features: sherpa lining and treaded outsole plate