About this item 【Safe & Sturdy】PC outer shell and EPS foam inner shell are designed for impact resistance when riding a bike. 【Lightweight & Stylish】This helmet is ultra-lightweight and will not cause any burden to the rider’s head. Highlighted logo design makes it unique and stylish. 【Adjustable】 This standard sized helmet, equipped with the dial fit system and side straps, is adjustable to different head size for both men and women. Suggested head circumference 54-57cm. 【Ventilation】11 breathable vents for channeled air flow to keep you cool while you ride. 【Removable】Removable foam lining pads give full-coverage to your head. Easy to wash the sweat away.