El Naturalista Men's Logo 100% Leather Imported Rubber sole Comfort last has a slanted design that fits with the natural shape of the foot It has been made studying the anatomical shape of the foot 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 Non-removable insole Natural rubber not synthetic El Naturalista outsoles are flexible durable comfortable and biodegradable Handmade in Spain