Secure & Durable: Engineered with a robust PC outer shell and an EPS foam inner lining, this helmet ensures exceptional impact resistance for a safer biking experience.Lightweight & Trendy: Designed to be lightweight, ZENROLL bike helmet guarantees a comfortable ride without burdening the rider's head. The distinctive highlighted logo design adds a touch of individuality and style.Tailored Fit: Crafted in a standard size, this cycling helmet features a dial fit system and side straps, allowing easy customization for both men and women with varying head sizes. Recommended for head circumferences of 54-57 cm.Enhanced Airflow: Stay cool on your rides with 20 strategically positioned breathable vents that promote optimal air circulation, keeping you refreshed throughout your cycling journey.Easy to Clean: The removable foam lining pads provide comprehensive coverage for your head. Keeping things fresh is hassle-free – simply wash away the sweat and grime.