The Endura MT500 Full Face Helmet is a high performance downhill style full face helmet. Endura deployed advanced energy absorber, Koroyd®, to provide additional impact resistance while keeping weight to an absolute minimum. This big hitting full face helmet delivers DH certified protection that can be worn all day long in comfort.  Endura MT500 Full Face Helmet Features High performance downhill style full face mountain bike helmet Full integrated Koroyd® core for superior energy absorption Large vents including top “air intake” zone and large diameter Koroyd tubes for increased airflow Fully goggle compatible One-hand micro-adjustment fit system Antibacterial, fast wicking padding Covered by Endura’s Crash Replacement Policy and Endura Product Guarantee Certified to ASTM F1952 and CE Standard EN1078:2012 + 1 A1:2012 S/M: 520-550g, M/L: 580-640g, L/XL: 680-750g