Material: PC + EPS One-piece molded, making the ski helmet more stronger and safer.
Size: Medium 21.65″-22.83″ inches/55-58cm,. Large 23.22″-24.02″ inches/59-61cm. Weight:0.77lb/350g.
Ventilation System: 11 vents drives warm air and sweat away from your goggles and out of the helmet to allow ample airflow and keep you breathable and comfortable.
Detachable Earmuffs: Removable plush earmuffs include a hypoallergenic and antibacterial treatment for warmth and protection, which keep your head dry and comfortable.
Anti-Slip & Sweat Absorbent Chin Strap: It is adjustable for different head size, M & L, comfortable.Please choose the correct size based on your head circumference.