Dazzling Swarovski Austrian Crystal Cross Motorcycle Helmet (not DOT). Nevermind the divas, elevate to Queen of the Road status in this this beautifully crafted Daytona helmet.. The center stone is vitrail medium, a special effects Swarovski crystal that highlights ruby with hints of amethyst and emerald colors . The helmet comes in sizes XS, S, M, L & XL. The sizes tend to run small. If you have a thick hair, a large will fit comfortably. If you wear braids or extensions, go with the XL.