TROY LEE D3 COMPOSITE DESIGN AND FUNCTION The Troy Lee Designs D3 helmet has racked up an impressive record at the hands of TLD?s talented roster of professional racers. The race-ready D3 Composite delivers advanced performance for real-word riders. Utilizing a lightweight composite shell, this version of the D3 still offers the same advanced features of the Carbon, including the high-flow ventilation system, weight-shaving titanium hardware and removable/washable interior liner. Contoured 3D cheekpads ensure a precise fit, with the D3 Composite providing all-day comfort. Available exclusively in the Corona graphics with four color options. D3 Core Features: - Lightweight design weighs in at 1150 grams with composite shell and titanium hardware - Cooling ventilation airflow routes through 20 intake ports and 6 exhaust vents - Wind-tunnel tested aerodynamics - Comfortable, precise fit with contoured 3D cheekpadst - Removable and washable comfort liner constructed of Coolmax? and Dri-Lex? materials - Includes TLD helmet sock - ASTM F1952-DH and ASTM F2032-BMX certified - Not intended for use with motorized vehicles SIZING: - S: 54-55cm - M: 56-57cm - L: 58-59cm - XL 60-62cm