HA Wrist Guard series ski protective equipment uses PU slow rebound, embedded sheet, shell three-layer design, PU slow rebound using self-developed nano intelligent energy-absorbing materials, after receiving the external force impact, the material quickly hardens to absorb most of the impact energy, and the material becomes soft after the external force disappears. The wrist protection series is mainly designed for ski protection, protecting the wrist from injury during exercise, the product is environmentally friendly and safe, and the protective performance is 20% higher than that of traditional materials, suitable for skiing, roller skating, speed skating, skateboarding and other application scenarios.