Canyon X2 in Crystal Black doesn&';t play it safe-it plays to win. The gloss transparent black frame delivers stealth style, while the green mirror PureBlend(TM) Polarized lens brings clarity that cuts through glare like a knife. Lightweight, wraparound, and built for motion, this pair was made to move fast and look fearless doing it. Frame Measurements Ideal Face Shape Head Size 139mm x 14mm x 140mm Round and Heart Medium to Large