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Key Features

• -【CPSC-Certified Safety Assurance】Our adult bike helmets undergo rigorous testing and comply with US CPSC safety standards. 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"-22.8" (55-58cm); Large: 23.2"-24.0" (59-61cm). 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】Brand: Safuty1st (Note: Dear customers, "Safuty1st" is our registered trademark brand name, not a misspelled word.). If you need size adjustments or have other concerns, contact us for a prompt 24-hour response