Vortex is a matte finish TR90 Frame that features built in top vent. Thisallows air to flow down the lens at the top to reduce fogging in changeable conditions. Ideal for runners and cyclists who produce heat while exercising but could be out in colder conditions which is a classic combination that creates lens fogging. The vents are at the top of the frame and designed to allow a dowward flow of air.

TR90 is one of the most advanced frames , it has superb flexibity and is lightweight, This means that for those who like to wear their sunglasses for long periods there are no pressure points or fatigue.
TAC polarised lens
Tri Acetate Cellulose lenses are scratch resistant to offer a more durable lens.

The polarisation filter is designed to reduce surface glare such as you would get from snow, water or wet road conditions. Superb to combat low sun surface glare. Perfect for anglers, sailors or driving.

Tac Polarised Lens
TR90 Frame
Antislip Nose Bridge