It's time you got yourself a helmet that fits perfectly and comfortably like the Optimus® Helmets does. The Helmet offers 360° adjust-ability for the perfect custom fit. Add in plenty of air ventilation holes and moisture-wicking pads, and the Optimus® Helmets are micro shell helmet will keep you cool on hot summer rides. Optimus® helmets protect your head & noggin - Studies show that 70-80% of all fatal crashes involve head injuries. And did you know that these helmets are 85-88% effective in mitigating head and brain injuries ? Don't become another statistic... Protect your noggin, and your life, with the Optimus® helmets. This Optimus® helmet comes with a standard size, equipped with the easy-use dial system and side straps makes this nutcase helmet adjustable to different head sizes. This Optimus® helmet is made of lightweighted material, the inner pad uses breathable material for a comfort wear and the outer material is hard plastic. The adoption of specialized aerodynamic & ventilation design allows air to go through the helmet which helps in increasing the speed & comfortable to wear and also easy to release buckle. Go, grab one for you & your loved ones.