The Radia is 661's first foray into eyewear and delivers the same level of quality and exceptional value for money that they are known for: the Radia combines a lightweight chassis with a 40mm silicone backed strap and high-quality smoke mirror lens with anti-Fog and anti-Scratch treatments for perfect optical clarity. Models are available in small and large sizes to suit different sized faces, and they are compatible with tear off and roll off systems.Who's this item for? These goggles are perfect for anyone looking for high-quality eye protection at an affordable price point.Goggle Type/Size: Models are available in small and large sizes to suit different sized faces. Measurements are taken around the circumference of your head, where a hat would sit. Small: 49-56cm Large: 57-65cm Lens interchangeability: The lenses are interchangeable with other Radia lenses which are available separately.Foam: Dual-density foam for comfort
