Giro Adult Radix MIPS Bike Helmet, Small, Matte Black 21GIRURDXMPSXXXXXDLT

FEATURES: Recommended use for trail riders Full-wrap in-mold polycarbonate shell with EPS liner Wind tunnel vents with internal channeling P.O.V. 15 degrees adjustable visor Quick dry padding Slimline webbing Super fit engineered with three-panel palm Complies with the US CPSC Safety Standard for Bicycle Helmet for Persons Age 5 and Older TECHNOLOGY: Equipped with MIPS®, the Multi-Directional Impact Protection System, so you not only stay cool but stay safe with extra protection and durability Integrated MIPS® reduces rotational forces while enhancing comfort and fit Polycarbonate Hardbody™ lower shell extends coverage to the inside of the helmet to eliminate adhesives and excess weight Roc Loc® 5 Fit system features a simple and effective rear thumb dial for a comfortable and secure fit SPECS: Circumference: S: 20 in. – 21.75 in. / 51 cm – 55 cm M: 21.75 in. – 23.25 in. / 55 cm – 59 cm L: 23.25 in. – 24.75 in. / 59 cm – 63 cm XL: 24 in. – 25.6 in. / 61 cm – 65 cm