DOWNTOWN BICYCLE WORKS SUMMERFIELD, NC YOUR LOCAL BICYCLE SHOP ONLINE, LETS GET YOU ROLLING SIZE = YOUTH MEDUIM SIZE (50 - 51 CM) KALI ZOKA FULL FACE HELMET DESCRIPTION:The Kali Zoka full face helmet is designed to keep riders safe whether they be shuttling backcountry trails or boosting the local bike park. The addition of a Low Density Layer adds additional low energy and rotational impact protection for riders. The Zoka is a tough helmet to beat when it comes to protection vs value. Features:Low Density Layer reduces the impact forces applied to your head in the event of a crashABS Shell: flexible and durable thermoplastic material12 vents throughout, 6 on the helmet and 6 on the chin barAdjustable moto-style visorAnti-microbial pads with a removable and washable linerMeets ASTM F1952, ASTM 2032, EN 1078 helmet standardsSpecifications:Shell Material: ABSFit System: Adjustable Chin BuckleChin Bar: FixedSafety Features: Low Density LayerCertification: ASTM F1952 (DH), ASTM F2032 (BMX)Color: BlackWeight: 991g (S) FREE SHIPPING OR LOCAL PICK UP