The tifosi slip race sunglasses are equipped for cycling and running in all conditions with three easily interchangeable lenses race level performance in a low profile design the lightweight 25g slip features a one piece shield lens vented to decrease fogging fully adjustable slip resistant hydrophilic rubber arms bend for the perfect fit virtually indestructible grilamid tr 90 nylon frame keeps the slip lightweight but flexible the race neon slip comes equipped with the glare reduci