?Safety Protection?- Shinmax/Basecamp bike helmets CPSC & CE Certified with tough and durable poly-carbonate shell and EPS foam, helps slow down the impact and provide your head with maximum protection and comfortability in all directions during crash.
?Adjustable Size Function?- Bicycle helmet for men with Dual Fit adjustable design, adjusting knob at the back of the bike helmet and side straps helps to adjust the size to fit different head circumference 52cm-59cm/20.47-23.23 (NOT for large). Please measure your circumference above eye brows with a tape measure or string to get your head size and make the right purchase.
?Detachable Magnetic Goggles?- Unique magnetic visor shield design can be used as sunglasses, not only protect your face against wind and sand, but also block the strong ultraviolet light, UV400 protection. Bicycle helmet with 3 strong magnet, make the goggles shield can be flipped up or down, which not interfere with wearing your own glasses.
?Ventilation 7 Holes?- Streamlined design, adult helmet in special aerodynamic design and 7 breathable vets, effectively reduce air resistance and reduce sweating. Super lightweight 310g (0.68 lb) bike helmet no more burden, keep staying cool and comfortable.
?Bonus-Carrying Bag&After-Sales Service?- An extra portable backpack is included as bonus,to store bike helmet,which bring you a more convenient riding experience if you need to buy a bag separately, please search B07PM9M8YC.(SHINMAX provides after-sales service to solve problems for you, accept returns and exchanges within 30 days.