11 Top And Side Vents Keep User Cool And Comfortable..
Fully Adjustable, Provided By The Crank Adjustment Dial, 2 Sets Of Pads With Different Thickness, And Length-Adjustable Chin Straps..
Suitable For Various Outdoor Sports Such As Cycling, Skateboarding And So On..
Abs Shell Resists Impact And High Quality Eps Foam Provides Shock-Absorbing..
3 sizes available for persons age 2 and older. Complies with the U.S. CPSC and ASTM Safety Standards.ABS shell resists impact and high quality EPS foam provides shock-absorbing.11 top and side vents keep user cool and comfortable.Suitable for various outdoor sports such as cycling, skateboarding and so on.Fully adjustable, provided by the crank adjustment dial, 2 sets of pads with different thickness, and length-adjustable chin straps.