The palm adopts wear-resisting breathable anti-slip microfiber the back uses soft breathable and quick-drying lycra cloth; Design on the back of the gloves adopts high-tech sublimation transfer printing touch well; 3. 5mm anti-knock silicone metacarpal pad increases the performance of anti-knocking; Adjustable Velcro band lets you adjust your wrist for maximum comfort and easy to take off.