Amazon.com : OutdoorMaster Bike Helmet for Adults,Adjustable 。This Outdoor Master skateboard cycling helmet is a multi-sport helmet designed for cycling, skateboarding, scooter riding, roller skating, inline skating, BMX, and casual MTB use. Built with a reinforced ABS hard shell and thickened shock-absorbing EPS foam core, it offers comfort, durability, and everyday impact protection. Features a smooth ventilation system with multiple air vents to keep you cool during rides and skating sessions. The double adjustment system includes a rear adjustment dial and skin-friendly adjustable chin strap, allowing a secure and comfortable fit for different head shapes. This helmet is adult unisex and suitable for kids, youth, teens, and adults (ages 5+) depending on head circumference. Condition Details (Resale-Correct) • Light cosmetic scuffs and surface marks from normal use • No cracks, no structural damage • Interior padding, EPS liner, straps, buckle, and adjustment dial are intact and functional • Clean interior • No crash history Features & Benefits • Multi-sport helmet for bike, skate, scooter & roller sports • Durable ABS shell + EPS foam liner • Ventilated design for airflow • Rear dial fit adjustment • Adjustable chin strap • Lightweight construction • Neutral white color ⸻ Outdoor Master helmet, skateboard helmet adult, cycling helmet adult, bike helmet white, multi sport helmet, scooter helmet adult, roller skate helmet, inline skating helmet, BMX helmet, MTB helmet casual, ASTM certified helmet, CPSC helmet