Description The Smith Backcast sunglasses balance the glare-cutting polarized tech you need on the water with a look that fits everyday wear. Details like leash-compatible temples and a modest wrap elevate performance on and off the water. Product Details Vision ChromaPop(TM) polarized lenses cut glare and enhance color and contrast ChromaPop(TM) Glass polarized lenses cut glare and enhance color and contrast, and are highly scratch-resistant ChromaPop(TM) Glass PolarChromic lenses combine the glare-free benefits of advanced polarization with UV-sensitive, tint-adjusting technology that adapts to changing light conditions. Smudge and moisture-resistant coatings for easy cleaning and clear optics Fit / Integration Medium to large fit, large coverage AutoLock hinges hold frames open for easy one-hand on and off 6-base lens curvature offers a modest wraparound fit Megol temple and nose pads provide non-slip grip so glasses stay put Spring hinges self-adjust to your face for a customized fit Frame Evolve(TM) bio-based frame material is lightweight and durable Strategic, low-profile frame details minimize moisture buildup Leash-ready temple tip holes What&';s Included Microfiber pouch Smith branded hard case (glass lens colorways only)