TeamObsidian Premium Quality Airflow Bike Helmet with in-Molded Reinforcing Skeleton for Added Protection - Adult Size, CPSC Safety Certified - Comfortable, Lightweight, Breathable SUPERIOR TECHNIQUE FOR YOUR SAFETY. We follow 3 crucial steps to achieve a solid constructed bicycle helmet by first placing the exterior shell in the mould, then reinforcing it with a skeleton and finally adding the foam that will hold all the parts firmly connected, thus making sure you are safe in a case of an accident. PROTECTED, VENTED AND COOL. Everything the cyclist in you could ask for: shock absorption technology, 22 massive air vents for an outstanding airflow across the head and a low profile, innovative design! And all this comes with a helmet that weighs only 0.63 lb in the medium / large size. ALL ACCESSORIES INCLUDED. This specialized bike helmet for adults and teens has all the added features you need: sleek matte design for a classy look, detachable visor that offers constant protection from the elements, washable pads and a cushioned chin strap for increased comfort! Cycling has just become safer, more comfortable & more fun! A HELMET THAT ACTUALLY FITS. Adjusts in seconds with a quick release chin strap and a dial fit at the back adjustable horizontally for a tighter, snugger fit and vertically so ladies can pass the ponytail. The helmet size chart image will let you know if Airflow Size M/L is the one for you. (We don't have XL) If it's a fit don't hesitate to order it and turn this cycle helmet into your best friend along with your bike: cruiser, city, commuter, road, electric, triathlon or mountain bike. LIFETIME MANUFACTURER WARRANTY to make this the perfect companion for mtb racing, commutes to work or pleasure rides. Take advantage of this risk-free purchase and invest in your safetyand your looks.