Cotton Sole Kung Fu Shoes Black canvas Slip-on style Washer machine friendly Designed for indoor use ***Size tends to run a bit small, so consider ordering a size up. These Cotton Sole Kung Fu shoes are designed for indoor training. These shoes feature a black canvas construction with a reinforced cotton sole. The cotton sole provides you with easier mobility indoors to prevent the restriction of movement. These shoes are comfortable and durable enough for the most rigorous Kung Fu training.