Ride from dusk 'till dawnA bike helmet with a light ensures you'll stay safe and seen while you ride. Silas sports a built-in 5-LED 3-function flashing safety light to keep you visible on the bike path.All-day comfort24 vents and a contoured design with inside air-channels force ventilation through and around the bike helmet, while DewCollector interior padding technology wicks away sweat, making your commute a literal breeze.Safety guaranteedRide and rest assured this bike helmet has you covered. Literally. Silas' is constructed with durable, high quality EPS encased by PVC. All Retrospec helmets are lab tested for virtually all of your action sport shenanigans.How to Measure Your Helmet SizeTo determine the correct helmet size, wrap a measuring tape around your head. The tape should rest just above your ears and remain level around the circumference of your head.
