The NEW Rockgardn Pearl and Black Pearl DH/FR helmets feature:   Hand-laminated fiberglass shell 2.41 pounds 14 vents Fully removable, washable liner and cheek pads A subtle, pearlescent lacquered finish Drawstring helmet bag Independent lab certified to CPSC and CE EN1078 standards, in-house lab tested to ASTM F1952 (DH) and F2032 (BMX) standards. Comes in sizes S, M, L, and XL   Sizing help:   Small Medium Large X-Large 55-56 cm 21 5/8" - 22" 57-58 cm 22 1/4" - 22 13/16" 59-60 cm 23 1/4"- 23 5/8" 61-62 cm 24" - 24 1/2"