MMA Gloves Hayabusa T3 4oz Patented Dual-X locking system - guarantees hand and wrist alignment, increases impact energy and reduces the possibility of injury.Vylar is a specially designed artificial leather of the new generation.Tests have shown extremely high abrasion resistance.Carbonized bamboo lining with Ecta T3 technology provides comfort and quality. Features: the glove was developed at a leading university research center the technologies used ensure state-of-the-art injury prevention maximizes impact force temperature-regulating, strongly deodorizing and antibacterial lining Size chart: Size Palm circumference S to 21 cm M 21,5 - 23 cm L 23,5 - 25 cm XL 25,5 - 27 cm