The Endura Pro SL Helmet is made with a super lightweight design, and the Integrated Koroyd® core for improved impact absorption, which provides excellent protection with no added weight penalty. The large vents will keep you cool and the one hand micro adjustment system makes it easy to find your perfect fit. Endura Pro SL Helmet Features Super lightweight design Integrated Koroyd® core for improved impact absorption without weight penalty  Large vents with angled Koroyd® tubes for increased airflow  Front eyewear dock  One-hand micro-adjustment fit system  Antiacterial fast wicking spacer fabric padding  Covered by Endura's Crash Replacement Policy and Endura Product Guarantee Certified to CE Standard EN1078 + A1 02/201