ROCKBROS Bike Integral Cast Snowboard Helmet Thermal Ultralight Breathable Cycling Skiing Helmet

Specifications: Brand: ROCKBROS Outside Material:PC Inside Material: eps, Polyurethane foam Color: As the style 01, Style 02 Size: M: 55-58 cm, l: 58-61 cm, XL: 61-63 cm Type: Ultralight integral pressure Features: Nylon adjust the strap; UNICASE technology, safer and more beautiful. Protection against impact loads. Ventilation, use air cooling to make air free. Anatomic Design, Senior Double-sided velvet protection mat. Easy to use, with a magic link buckle. Storage Tip: Do not store in a moist environment where near a heat source or directly in a light, dry-work helmet, I suggest using a canvas storage bag. Dimensions of the correct measurement method: Remove from the string, starting from the roots of the hair measurement, through the head after the Tests Point 2 cm below, around the first circle, reserved 1-2 cm ear width, including hair. Finally measure the length of the rope. Package included: 1x Cycling Helmet