Soft round lines and a lighter build. The Sielo is the easy all-day frame that does not try too hard, and looks better for it. Light all-day fit. Blocks 100% UV. Quietly good-looking. Prizm lens technology, tuned to lift contrast where it matters, available in Prizm Grey Polarized, Prizm Deep Water Polarized, Prizm Bronze Gradient, Prizm Bronze Polarized, Prizm Rose Gold, Prizm Grey Gradient Lightweight, durable Oakley frame construction High Definition Optics (HDO) keeps vision sharp and true edge to edge Plutonite lens material blocks 100% of UVA, UVB, UVC and harmful blue light up to 400nm Ships in a soft Oakley microbag Measurements 5717136 mm frame width Lens width57 mm Lens height49 mm Bridge17 mm Frame width136 mm Temple143 mm ShapeRound Fit: Recommended for Oval, Heart, Square face shapes. New to Prizm? Find your lens → Complete your setup Oakley Vault Case$30.00 Oakley Lens Cleaning Kit$21.00 Lens color: Matte Black / Black / Grey, Matte Stonewash / Prizm Deep Water Polarized, Bronze / Tortoise, Bronze / Brown / Tortoise, Clear / Gold / Pink, Grey. Material: Polycarbonate.