1."Material technology: 1. Head guard: compression polyurethane NBR + PU coating internal sponge once forming; 2. chest protection: PU leather sewing; EVA foam, sponge and XPE composite liner; 3. Arm protector: PU leather fabric, diving cloth sewing inside, EVA inner liner; 4. Crotch protection: PU leather fabric, mesh sewing, PP protective shell; 5. Protective kit: Oxford fabric sewing; 6. Leg protection: PU leather fabrics, foaming materials, pressing, sewing; Functional Usage: Taekwondo training, competition use, protection of athletes training, competition hit parts, avoid training injuries, wear comfortable, light and flexible, improve the overall quality of athletes Sanda. "