look its a good fitting helmet but dont waiste your money, i bought one and first ride i had people coming up to me saying paint was flying off my helmet and sure enough 3/4 of my helmet was missing paint and i didnt even crash.
The Quadrant Helmet offers increased performance, reduced weight, and innovative styling. Designed to exceed both DOT and ECE 22.05 standards, the Quadrant is truly a world-class helmet loaded with features normally found only on more expensive helmets. Featuring a dual-density expanded polystyrene liner, extensive venting, molded roost guard and a plush removable liner, the Quadrant offers comfort and performance in a lightweight package that's got just the right balance and a great, secure fit. Next time you ride, don't settle for anything less than the category-leading Quadrant Helmet.