Callaway Trestles Neox NX14 Lens Golf Sunglasses, Black/Carbon Fiber LENS: NEOX NX14 2nd generation high performance NEOX formula Enhanced distance vision Superior depth perception Slightly darker Blue Gray, 14% light transmission FRAME: SLEEK, EXECUTIVE DESIGN Ultra strong and lightweight carbon fiber material Spring-hinge temples provide secure comfort Woven texture temple pieces Large-format lens for maximum coverage FIT: MED-LARGE HEAD SHAPE Soft silicone comfort-grip nose pads Inset Megol rubber earpiece