Troy Lee Designs TLD D2 Helmet Bicycle / BMX - Superstar Red/Blue Size Medium/Large (M/L)LIMITED EDITION / 0301-0409 2.2 lbs (1000 grams) Exceeds ASTM F2032-00, F19520-00, CPSC, 16 CFR Part 1203, CE EN 1078 Unique Aerospace Shell / Machined Cross-Top Aluminum Top Visor Screws Hi-flow Ventilation System Incorporated into Shell and Liner Removable, Replaceable, and Washable Comfort Liner