Super lightweight design (M/L 238g) Integrated Koroyd® core for enhanced impact absorption without weight penalty Large vents with angled Koroyd® tubes for increased airflow Meets the Koroyd Safety Initiative (KSI) significantly reducing risk of skull fracture beyond required standards Front eyewear dock One-hand micro-adjustment fit system Antibacterial fast wicking spacer fabric padding Covered by Endura's Crash Replacement Policy & Endura Product Guarantee Certified to CE Standard EN1078 + A1 02/201390 Day Satisfaction guarantee, Super lightweight design (M/L 238g), Integrated Koroyd® core for enhanced impact absorption without weight penalty, Large vents with angled Koroyd® tubes for increased airflow, Meets the Koroyd Safety Initiative (KSI) significantly reducing risk of skull fracture beyond required standards