Mavic 2015 Cosmic Ultimate Road Bike Helmet (White - M) Lighter helmet thanks to optimized construction Weight: 210 grams (size M) CE and CPSC certified Perfect ventilated construction with 26 Clima Vents to keep the head cool Ergo Hold SL Retention System / Ergo Shape / Hot Ride Delivered with carrying bag / Reflective highlights / 3 position adjustment system