The Eyres Mistral is the ultimate multi-purpose goggle, crafted from lightweight Polycarbonate. Its ergonomic design is impact resistant. Featuring soft silicone eye pads, arm slits for proper ventilation and a silicone fleece strap, youll get the ultimate fit and protection

A built in strap and toggle to keep the sunglasses on your head. 

There are vents in the top and the bottom of the lens.   

Featuring 100% floating components, water and fluid resistant hydrophobic lenses for distortion free vision particularly during water sports and high velocity activity including rock climbing and abseiling, cycling and motor cross