Child'S Dial Fit Adjustable Bike Helmet By Schwinn Thrasher, Multiple Colors. Protect your little one in style with the Schwinn Thrasher Bicycle Helmet. The Thrasher features Schwinn?s 360 Comfort System with dial fit and full range padding for a customizable fit. Plus, full-shell coverage provides extra protection. The Thrasher also features a classic angular design that never goes out of style. But that?s not all, 20 thoughtfully placed vents offer maximum ventilation, so your little one can stay cool and comfortable even on warm summer rides. Protect their noggin in comfort and style with the Thrasher. Enjoy the freedom of riding with Schwinn. This Schwinn Thrasher lightweight helmet is designed for youth. Suggested age range: 8-14 years old. Suggested head circumference: 21.25-22.88 inches Full Schwinn 360 Comfort featuring an adjustable dial fit knob and full-range padding for the perfect custom fit. Two microshell layers and full-coverage EPS foam construction provides lightweight durability Easy-adjust dial system provides a custom fit with a twist of the dial, Adjustable side straps allow you to fine tune fit and comfort and detachable visor helps reduce glare Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older