Global Vision Hercules 24 Photochromic Sports Sunglasses ML

Very tough and durable sports styled transitional safety sunglasses with transforming shatterproof 24 hour lenses for day or night use, the tint automatically lightens as the sun goes down. Photochromic sunglasses have UV activated lenses that transform from an almost-clear to smoke tint automatically so you don't have to change the lenses as the sunlight varies.

Frame: matte black; made from resilient high-grade nylon; soft rubber ear pads for enhanced comfort and grip; Hercules logo at both temples; medium to large size (regular).

Lenses: 24 hour photochromic with almost-clear to smoke transition; shatterproof polycarbonate; scratch resistant; optically correct decentred lens technology eliminates distortion; UV400 blocking.

Please Note: photochromic lenses react to UV rays and do not darken when worn behind a helmet visor or motor vehicle windscreen that filters out UV light. They must be exposed to direct sunlight to darken.

Comes boxed with a Global Vision microfibre soft pouch.

These sunglasses are tested to the ANSI Z87.1-2010 (Z87+) standard for safety eyewear (high speed particle / low energy impact). They comply with the latest European Standard EN 1836:2005 for sunglasses and block 100% UVA and UVB rays meeting ANSI Z80.3 UV General Purpose Protection Standards.

Approximate Measurements: A = 138mm across temples; B = 42mm maximum lens height; C = 120mm to arm ends.