Stylish design, strong features, high quality - what more could you ask for? The BLADE Polyacrylite MTB helmet combines the best of function, comfort, and safety. Made for action by a mountain bike pro: Choose a highlight from O'NEAL. Specifications Helmet with 2 out shells and 2 EPS for increased safety and perfect fit Shell is produced with ABS Maximum airflow and cooling with multiple oversized vents and connected air channels Durable multi-colored graphics Comfortable, pre-shaped and padded Dri-Lex® inner lining with antibacterial Polygiene® treatment, removable, sweat absorbing and washable Easy and quick removable cheek pads with emergency pull straps O'Neal Fidlock® magnetic buckle (engineered in Germany) for easy, single-handed fastening and release, provides maximum security while riding Goggles rest securely in place on the ridge at the back of the shell Hydration hose guide optional available Pre-installed with plastic break-away visor screws for improved safety in terms of crashing Incorporating IPX® Acells rotational impact absorption technology optional available GoPro® Mount included Airflaps™ compatible Meets EN1078 and CPSC safety standards for bicycle helmets MATERIALS Shell 80% ABS / 20% EPS Padding 100% PU Foam Liner 85% Polyester / 15% Spandex Size Guide