Smith Embark Photochromic Sunglasses Colour:Matte Tortoise / CP Glacier Photochromic Copper Opal Mirror It has three different intensity

It has three different intensity levels

broken-in look straight away

6 oz / 215 g including batteries (not harness)

Durable recycled build:

With easy to manage adjustable snap closures

Smith Embark Photochromic Sunglasses Colour:Matte Tortoise / CP Glacier Photochromic Copper Opal Mirror It has three different intensityGlacier grade, photochromic shades that auto tune to the light, kill glare off snow, and stay welded to your face from skintrack to summit ridge. The Smith Embark Photochromic Sunglasses are purpose built glacier glasses for skiers, splitboarders, and mountaineers who are out in big, bright terrain all day. Their ChromaPop Glacier Photochromic lens is activated by UV and visible light, shifting smoothly from about 45% to 7% visible light transmission