Ergonomic Double-Layered Insole: Upgraded support and comfort thanks to a unique double-layered insole. Designed ergonomically to minimize foot strain and enhance training session performance.Keeps you stable and cushioned with each stride, so you can remain light on your feet throughout boxing exercises. Weightless Stability: With our cutting-edge design, enjoy unmatched stability without the extra weight.During vigorous exercises, the lightweight grooved sole improves traction and grip, helping to keep you steady and rooted. You may move freely while keeping your balance and composure, which frees up your attention to concentrate just on your performance and technique. Variability of Colors: Grey/Black/RedBlack/White/RedBlue/White/BlackWhite/Red