Troy Lee Designs D3 Composite Corona Adult BMX Helmet

Technologically advanced composite shell construction. Digital wind tunnel-tested, aerodynamic shell design. Revolutionary injection-molded air intake system. 20 high-flow intake and exhaust ports for maximum ventilation. Added eps and new headform shape for improved impact performance. Full incremental sizing for greater range of fitment. Deep eps channeling for optimal airflow. Strategically placed interior chinbar shock pads for comfort and durability. Removable, washable padded liner with coolmax and dri-lex moisture wicking materials. Contoured 3d cheekpads fit anatomically. Quick-release cheek pads for emergency helmet removal. Purpose-built internal cavities for audio integration. Titanium hardware for reduced weight. Includes 2 lightweight, streamlined visors and a helmet bag.