LS2 Challenger II Solid Adult Street Helmets Giant Lop aerodynamic shell is made from

aerodynamic shell is made from LS2's proprietary Kinetic Polymer Alloy (KPA)

Housing length 37

neoprene construction

this backrest is also adjustable for height and fore-aft angle

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LS2 Challenger II Solid Adult Street Helmets Giant Lop aerodynamic shell is made fromLS2 Challenger II Solid Adult Street Helmets Challenger II is a high performance touring helmet designed for long rides. Constructed with our HPFC, combining light weight with outstanding safety. Featuring excellent peripheral vision and an integrated sun visor. Equipped with Pinlock 120 XLT Max Vision for enhanced safety. MATERIAL: HPFC WEIGHT: 1500 (50 g) Colors: Matte Black, Gloss White, Gloss White Black Sizes: X Small, Small, Medium, Large, X