Bolle Safety Contour Metal Frame Smoke As/Af Lens - Pouch Included - (CONTMPSF) (10 Pack)Metal version Contour: it's wrap around design combined with the strength of metal guaranted optimum comfort.+ Increased upper protection with comfort foam+ Adjustable non slip bridge+ FLEX 160 temples to adapt to all heads and reduce pressure pointsWEIGHT 28 gFRAME TYPE HALF FRAMEFRAME MATERIAL STAINLESS STEEL BRASSFRAME COLOUR GREYLENS MATERIAL POLYCARBONATELENS COLOUR SMOKE TECHNOLOGY SMOKE STANDARDS AS NZS 1337. 1: 2010SUPPLIED WITH MICROFIBER