Dojasohilmi Mountain Bike Helmet For Adults And Youths Lightweight, Impact Resistant With Adjustable Dial And Removable Visor Unisex Helmet Mountain Bike Bicycle Clcying

【Certified Safety】Our adult bike helmets undergo rigorous testing and comply with US CPSC safety standards and CE (EN1078) . Featuring a dual-shell construction, they combine a tough PC outer shell with high-density 20mm EPS foam—engineered to absorb and disperse impact force, delivering reliable protection 【Functional Design】Rear elastic cord eases access to sports glasses(This helmet does not include goggles); durable metal buckle secures the visor. Sleek matte finish blends style + practicality. Large, reinforced visor delivers eye & impact protection 【Lightweight & Breathable Comfort】Weighing just 340g (0.75lbs) (355g/0.79lbs with visor), this adult helmet is lightweight enough for all-day wear without straining your neck. Equipped with 16 vents, its aerodynamic design creates continuous airflow, while the detachable, washable moisture-wicking liner ensures lasting freshness—keeping every ride as comfortable as the first 【Perfect Fit Sizing Guide】Medium: 21.7"-23.3" (55-59cm); Large: 22.8"-24.0" (58-61cm). For the best fit, measure your head circumference first. Boasting a sleek, versatile design in multiple colors, this helmet suits various sports scenarios 【Trusted After-Sales Support】If you need size adjustments or have other concerns, contact us for a prompt 24-hour response