KOIO | Chukka Slate Grey Men's Sneaker 10 (US) / 43 (EU) Out of stock Brand : Koio Stylecode : 6538273915049 Color : Grey Gender : Man Get your hands on the KOIO | Chukka Slate Grey Men's Sneaker 10 (US) / 43 (EU) from the best sneaker stockists around the world.