Features: Best used for recreational biking, this stylish helmet provides optimal comfort KinetiCore Controlled Crumple Zones absorb the force of both direct and rotational impacts in the event of a crash to re-direct energy away from your head, protecting you when you need it most Adjustable Advanced Turnsys technology offers vertical adjustability and a tailored fit with the twist of a dial Nineteen well-placed air vents keep you cool during the hardest climbs Tempo KinetiCore has been awarded the Virginia Tech 4-Star protection rating Compatible with soft fleece Winter Kit One size fits all design LED light compatible design offers increased visibility CPSC 1203 COMPLIES WITH U.S. CPSC SAFETY STANDARD FOR BICYCLE HELMETS FOR PERSONS AGE 5 AND OLDER