The HX1 features industry leading technology and a venting system that will keep your head cool no matter what direction you are riding. The Harsh HX1 is the answer to riders who want a super light and low profile helmet that meets all the industry standard certifications - ASTM / CE / CPSC. Features: Weight: 275g. Material: ABS Frame, EPS Inner Material. Gender: Unisex. Colour: Black. Size: XS.