cotton sports shoes detailed sports sneakers made of organic cotton anatomically shaped tip, also suitable for the dominant thumb thin, flexible non-slip sole made of 30% algae (bloom foam) the shoe can be bent in all directions flat non-shaped sewn insole the shoes fit an average and narrower foot, possibly even a higher instep, we do not recommend it for a very thin heel the shoes can be tightened to a narrower foot with Velcro, but the area under the ankle and in the instep is a little wider they do not have a heel, the overhang of the rubber behind the heel slightly strengthens the bottom part of the shoe rubberized hem protecting the shoes from moisture and mechanical abrasion reflective elements in the heel tightening of Velcro a helper in the form of an animal picture to recognize the right/left shoe in the box recommendations for the appropriate selection of the size and a tool for measuring the foot zero drop   more detailed description of Affenzahn shoes and photos of flexibility: sneakers Affenzahn Sneaker Cotton Happy Dog