Construction:Fusion In-Mold Polycarbonate Shell.Ventilation:Dual Flow Ventilation™.Weight:650 g (size M).Mips® Evolve - Safety System.Sizes:S 53-55 cm.-M 55-57 cm.-L 57-59 cm.-XL 59-61 cm.Application Area:MTB.Ergo Fit™ System.-Bell 3QTR-Air Mips.A PERFECT COMPROMISE.Sometimes a compromise is exactly what you want.The 3-QTR AIR MIPS is based on the design features and technologies of the FULL-AIR MIPS but without the chin bar, making it even more adapted to keeping you cool and comfortable when pedaling.With the Fidlock® magnetic closure buckle, Dual Flow Ventilation™ and lightweight construction, this helmet has a half-shell feel but with confidence-inspiring coverage around the upper neck and jaw.This extra protection, plus trusted Mips technology, keeps safety at the forefront for those not wishing to wear a full-face.A quick-release action camera mount under the visor gives the perfect angle for POV runs, and a removable, washable antimicrobial liner makes it easy to stay fresh.This is your go anywhere, do (almost) everything, helmet.ROTATIONAL ENERGY MANAGEMENT:Mips® Evolve.CONSTRUCTION:Fusion In-Mold Polycarbonate Shell.VENTILATION:Dual Flow Ventilation™.OTHER TECH AND FEATURES:2 position Flying Bridge Visor.Anti-microbial liner.Fidlock ® buckle closure.Action Camera/Light Mount.WEIGHT:650 grams (size M).SIZES:S 53-55 cm.-M 55-57 cm.-L 57-59 cm.-XL 59-61 cm.APPLICATION AREA:MTB.