Global Vision Freedom 24YT Yellow-Photochromic Padded Sunglasses with Prescription Lens Rx Insert ML

Transitional convertible sunglasses with transforming 24 hour lenses for day or night use, the tint automatically lightens as the sun goes down. The UV activated lenses transform from a yellow tint to smoke automatically so you don't have to change the lenses as the sunlight varies. The virtually unbreakable TR90 frames with shatterproof safety lenses give great peripheral vision and maximum UV protection. The arms can be removed and replaced with a goggle strap for even greater versatility.

The pad can be replaced with the included Rx adaptor allowing you to fit your own prescription lenses.

Frame: matte black; made from TR90 Grimalid - a complex thermoplastic material which is incredibly lightweight, flexible, tough and hypo-allergenic; the easily removable EVA foam padding covers the entire inside of the frame and protects against wind, dust and bugs - vented, durable and comfortable; interchangeable arms and goggle strap; flexible arm ends for enhanced comfort; Global Vision logo at both temples; medium to large size (regular).

Lenses: 24 hour photochromic with a yellow to smoke transition; a yellow tint is great for hazy, overcast or foggy conditions and helps relieve eye strain and fatigue; shatterproof polycarbonate; scratch resistant; double sided anti-fog coating; optically correct decentred lens technology eliminates distortion; UV400 blocking.

Comes boxed with a Global Vision microfibre soft pouch, a rigid zipper case and an adjustable black elastic goggle strap.

These sunglasses are tested to the ANSI Z87.1-2003 (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 = 43mm maximum lens height; C = 115mm to arm ends.