SAFE ADULT BIKE HELMETS: Inside EPS high density foam material and Outside rugged PC shell of RXL adult bike helmets are tightly combined without gaps, It can withstand the impact force effectively. With the strong cushioning function of EPS foam material, these bicycle helmets for women can protect your head effectively during all the riding. COMFORTABLE & BREATHABLE: The special aerodynamic design that makes air ventilated can keep cool during riding a bike. REMOVEABLE VISOR: With removable sun visor, if you don't need it, you can open or remove it. UPGRADE ADJUSTABLE ADULT HELMET: The youth bike helmet has adjustable Crank Dial and Secure Buckle to ensure a comfortable and safe fit.
Soft buckle also make your chin comfortable. The head circumference is 21.26-24.4 Inches (54 - 62cm). Meets the need of most cycling riders, Perfect bike helmets for adults men and women.