Size Head Size Cheek Pads Hat Size Weight S 21.7"-22.0" 30 mm 6 7/8-7" 1180±50 g M 22.4-22.8 30 mm 7 1/8-7 1/4" 1240±50 g L 23.2-23.6" 30 mm 7 3/8-7 1/2" 1340±50 g XXL 24.8-25.2" 30 mm 7 7/8-8" 1400±50 g The V1 Lean Helmet delivers an array of elevated features to improve rider safety, fit, and comfort, making it one of the most competitive, versatile, entry-level moto helmets on the market. Meeting the new ECE 22.06 and DOT certifications, we're here to raise your standards for fitMeets ECE 22.06 and DOT certifications Mips® equipped 4 shell and 6 EPS sizes for a precise fit (adult and youth) Adjustable visor Optiumum airflow Customizable cheek pads Removable and washable comfort liner and cheek pads Available cold-weather kit (sold separately) Steel D-ring chin strap closure Certifications DOT and ECE 22.06 standards and function across the board with essential performance for any ride.