Bicycle aerodynamic helmet one-piece leisure commuting mountain road bicycle riding helmet

【 Helmets for adults safe and sturdy】One-piece molding bicycle helmet, made of thickened High-density EPS buffer layer inner shell and PC outer shell, shock absorption, high impact resistance.

【Bike helmet for scientifically Designed 】 Lightweight and durable, with a 14-hole ventilation system to enhance the air circulation inside the helmet, distributed mesh thickened inner lining and head fully cushioned, more comfortable to wear, and can be easily disassembled for cleaning.

【Cycling Helmet adjustable】bike helmets for men/women is fully adjustable to fit the head circumference size (L) 58-61cm/22.8-24.1 inches, provided by the adjustment dial, thickened chin pad, and adjustable length chin strap to make it Comfortable fit and comfortable to wear.