Coveted by high altitude mountaineers and alpinists the MICROPORE sports all the latest features - Air Flow nose bridge, removable leather Side Shields plus the optical clarity and scratch resistance of mineral glass lenses - for long term, reliable performance. When you are moving fast and pumping out a lot of perspiration the Air Flow system works like no other - cold dry air is drawn in through perforations in the nose bridge and warm moist air is exhausted out vents in the Side Shields. Nickel metal frame, high contrast brown mineral Alititude Arc 4+ lens with 4% visable light transmission, 100% UV protection and padded and moldable ear pieces. Includes hard case and accepts cordura and microfleece BEKO NOSEGUARD - which attaches easily with Velcro Strap.

dims: 54 mm lens width, 24 mm nose bridge, 130 mm side arms