Featuring a 1-piece “shield-type” 6.25 spherical lens, the XK5 frame-style is crafted from magnesium/aluminum alloy. XK5 delivers unobstructed vision with no obstruction from the fully adjustable nose-bridge. The full-wrap Dual-Zone/Zero-Distortion lens delivers 100% UV400 eye protection. Width: 133mm Depth: 38mm Temple Length: 118mm Fits narrow to medium faces.