El Naturalista Men's WALKY 100% Leather Imported Rubber sole Cowhide leather dyed and finished by us with a double brushing of the natural waxes. Before finishing, carnauba wax is applied to the point and back of the shoe to highlight the craftsmanship. Pull grain leather is a very natural leather with a rustic appearance treated with natural oils When you touch it and wear it you will experience softness Removable insoles with an anatomic design An advantage for those who need to use their own orthopedic insoles Made from recycled PU Natural rubber not synthetic Walky outsoles are flexible durable comfortable and biodegradable It is a technical lining with a great capacity of absorbing humidity giving total breath ability for the skin and providing a fresh and dry feel thanks to its antibacterial antimicrobial and anti-odour treatment