SUNVP Ski Helmet Ultralight Integrally Warmest Windproof Snowboards Snow Sports Helmet Unisex Adult Material: PC + EPS, integrally molded ,lightweight Dimensions:M (55 ~ 58cm), Net Weight 368 g, CE certification Adjust the size of the device: easy to wear a helmet, a unified regulator upgrade to high toughness materials, improve comfort, increase the safety factor Sweat chin pad: with a chin pad, fast absorbent, enhanced comfort, to prevent accidental injury. Detachable ear cotton , convenient for customers to clean Cap with jack: using imported Italian DuPont materials, and special situations encountered impact without breaking, to ensure the safety of the wearer.