Retrospec Silas Adult Bike Helmet with Light for Men & Women – Lightweight, Comfortable

FIT: One size fits most cycling helmet. Easily adjust from 54cm to 61cm to fit sizes small, medium, and large (not designed for XXL/62cm/24. 5 inch and up.)
COMFORTABLE: Silas bike helmet is padded, lightweight and aerodynamic to slice through headwind.
BREATHABLE: 24 vents and contoured design with inside air-channels force ventilation through and around the bicycle helmet for a cool, comfortable ride.
LED LIGHT: A built-in 4-LED 3-function flashing safety light keeps you seen and safe on the road.
SAFE: Constructed with high quality EPS encased by PVC for top-tier protection. All Retrospec bike helmets comply with the U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 12 and Older.