Zacro Lightweight Bike Helmet， CPSC Certified Cycle Helmet grit Draw Weight: 6-29 lbs

Draw Weight: 6-29 lbs

Features a 100% Waterproof Breathable Membrane

Or as Knog calls them

Battery: 1 (built-in) Lithium

Zacro Lightweight Bike Helmet， CPSC Certified Cycle Helmet grit Draw Weight: 6-29 lbsTough and durable: PVC & PC, EPS foam material is safely and helpful to decrease the impact forces of the collision. Safe: 54 62 cm adjustable straps and CPSC Certified can protect your head, which meets the satisfactions of most cycling riders. Comfortable: The special aerodynamic design that makes air ventilated can keep cool during riding a bike. Lightweight: 225g super lightweight helmet will not cause any burden to the rider's head during