Our straps are designed with the RSS, Removable Strap System, which means that they are interchangeable. You can customize your goggle according to how you feel or replace it if it is damaged, Our removable strap system is adaptable on our XPR, STYX, OXIA, VIRGO,  and KEPLER ski goggles and the LANIAKEA, VORTEX MTB goggles. The inside of the straps is embellished with a silicone strip to ensure they are held in place on helmets and beanies.