*Shell 1.0mm thick polycarbonate shell (PC) *Inside Polysource 205T EPS *One-piece anti-collision and shock absorption*Three-point fixed magnetic goggles *Comes with gray goggles *Aerodynamic design reduces wind resistance *15 symmetrical design of ventilation holes to help ventilation and heat dissipation *Removable inner pad for easy cleaning *Adjustable to the upper, middle and lower positions of the head circumference, compared to the other rotary 360-degree adjustment to meet the needs of the public *CNAS certification *M (54-58cm), L (58-61cm) adjustable head circumference *Weight: M about 240g, L about 260g
