thousand adult bike helmet - heritage collection - thousand navy, medium thousand not just a stylish bike helmet - magnetic buckle: lock in your bike helmet with a one hand fastener guaranteed to leave your fingers pinch-free. dial fit system: dial in the proper fit for every ride. with our easily adjustable fit system, you can be confident that your bicycle helmet is snug and secure. - vegan leather straps: stay comfortable and sweat-free with our eco-friendly microfiber vegan leather straps, created with animals and the environment in mind. - vents: ventilation to keep you cool. our lightweight cycling helmet features effective but subtle air vents and cooling channels. - design details: this bike and skateboard helmet features a premium matte rubberized finish, a low profile visor to block sun, and vintage moto trim. a sustainable bicycle helmet from our commitment to offset 110% of our carbon emissions to our partnership with 1% for the planet, we’re committed to making high-quality adult bike helmets without causing unnecessary harm to the planet.