TLD&';s D3 Fiberlite helmet offers many of the racing-derived features found on the top-shelf D3 Carbon and D3 Composite siblings. D3 Fiberlite uses a lightweight, fiberglass shell with wind tunnel proven aerodynamics and an efficient ventilation system to keep you cool - there are 20 high-flow intake and exhaust ports to keep airflow moving. With 3D cheek pads, the D3 Fiberlite has a comfortable, secure fit. Quick-release cheek pads allow for helmet removal in the event of an emergency. Thanks to the D3 Fiberlite, the most decorated helmet in professional racing is now available for riders who crave factory performance. This helmet exceeds bicycle certifications: ASTM F1952-15, ASTM F2032-15 and is not intended for use with motorized vehicles. This helmet is designed and intended exclusively for use by bicycling activities, including mountain biking and off-road cycling. Product Details Material Lightweight Fiberglass Shell Construction Digital Wind Tunnel-Tested Aerodynamic Shell Design Extra EPS and New Headform Shape for Improved Impact Performance Dual-Density EPS + EPP - Dual-density EPS co-molded with EPP for state-of-the-art impact energy management at low and high crash speeds as well as everything in between. 16% more EPS + EPP in frontal lobe and raised EPS splines provide more protection in common impact zones. Fit Full Incremental Sizing for Greater Range of Fitment Cheek Pads - Anatomically contoured 3D quick-release cheek pads for emergency helmet removal. Stainless Steel Chinstrap D-Rings Are Light and Strong Customized Fit - Fixed side strap anchors for a no fuss perfect fit every time. Slimline flexible stabilizer arms. Large Eyeport and Side Clearance - Perfect for goggles or glasses fitment. Multiple configurations for glasses storage. Vents Revolutionary Injection-Molded Air Intake System 20 High-Flow Intake & Exhaust Ports - 14 pressurizing intake passages, 6 rear vacuum vortex outlets for maximum ventilation. Deep EPS Channeling for Optimal Airflow Additional Features Removable, Washable Padded Liner with Coolmax(TM) and Dri-Lex(TM) Moisture Wicking Purpose-Built Internal Cavities for Audio Integration TLD D3 Helmet Bag Kit Included Full Spectrum Adjustable Visor with +/- 1" / 25mm Range of Motion Safety Standards Exceeds CPSC 1203, CE EN 1077, CE EN 1078, ASTM F1952, ASTM F2032 and ASTM F2040 Specs Material:Composite Biking Type:Mountain Helmet Style:Full Face Helmet Venting:Fixed Venting Audio:Not Included Visor:Yes Removable Ear Pads:Yes Adjustable Fit:Yes MIPS:No Weight (g):1150 Warranty:3 Years