The Velcro Strap is the ultimate accessory allowing you to change the fate of your gloryfy sunnies. Your unbreakable pair of gloryfy’s basically gets another killer feature, it becomes “un-losable”. If you plan to use your gloryfy’s for skydiving, that’s the accessory you’ve been looking for. It fits all sizes of heads as it is adjustable via velcro strap. All gloryfy models seen on Skiandfly.com can be fitted with the Velcro Strap.