MATERIAL: Top: 3D mesh knitwear, outer structure increases air circulation inside the footwear, front and back reinforced with flexible and durable TPU material, flexible shoelaces with a lock, tongue with a lock pocket. Lining: flexible mesh kitwear. Insole: replaceable, 1.5 cm thick at the heel, soft and flexible. Sole: anti-slip rubber (on steel and ceramic surfaces), resistant to diesel oil, deep and aggressive tread increases adhesion to the ground and ensures high footwear stability