The fit is comfortable and secure thanks to our adjustable Roc Loc 5.5 Mips system that combines fit and positioning adjustments while integrating with Mips technology for an added measure of protection in the event of an angled impact. The outer Hardbody shell extends to the inside of the helmet, and is molded from a tough polycarbonate that's fused permanently to the EPS foam liner using our In-Mold process to enhance durability and ventilation without excess bulk. CONSTRUCTION FULL-WRAP IN-MOLD POLYCARBONATE SHELL WITH EPS LINER VENTILATION 32 WIND TUNNEL VENTS WITH INTERNAL CHANNELING FIT SYSTEM ROC LOC® 5 MIPS® PRODUCT WEIGHT 300G (SIZE MEDIUM CPSC)|280G (SIZE MEDIUM CE) CERTIFICATION COMPLIES WITH THE US CPSC SAFETY STANDARD FOR BICYCLE HELMET FOR PERSONS AGE 5 AND OLDER E.U.: CE EN1078 HIGHLIGHTS COOLFIT™ ANTI-MICROBIAL PADDING FEATHERWEIGHT WEBBING WITH SLIMLINE™ BUCKLE
