West Biking Adult Safety Helmet Adjustable Road Cycling Mountain Bike Bicycle Helmet Ultra light Inner Padding Chin Protector and visor 18 Integrated Flow Vents Your Safety is our top concern ,CE certified, Safety compliance: EN1078-1997 +A1-2005 standards Ventilation: 18 vents , Helmet vents enhance wind-flow over your head, keeping you cooler and more comfortable as you ride Visor: Sun-shielding (removable) visor attached to the helmet, provides protection and blocking sun light from directly hitting your eyes Unisex Helmet, Extra feature for girls , Hair port: A strap design that accommodates ponytails Helmet Weight: 198 grams/ 7OZ, Helmet Size: 280x220x130mm