These shoes are designed for indoor use, primarily for advanced athletes. A luxurious anatomical insole provides comfort and optimal foot support in challenging situations. The foot remains stable even during sudden changes of direction during sprints. The wider, flat sole guarantees excellent grip. The combination of materials within the sole protects joints during activity. Intended use: indoor Outer material: synthetic leather, nylon, PVC Inner material: combination of synthetic fiber and cotton Sole: reinforced rubber, EVA Insole: anatomical Inner insole length: size .: 36 - 23.5 cm size .: 37 - 24 cm size .: 38 - 24.5 cm size .: 39 - 25.5 cm size .: 40 - 26 cm size .: 41 - 27 cm size .: 42 - 27.5 cm size .: 43 - 28 cm size .: 44 - 28.5 cm size .: 45 - 29.5 cm size .: 46 - 30 cm