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. Smith Optics proudly assembles select products in our Clearfield, Utah facility, part of a nearly 60-year commitment to expanding U.S. operations and innovation. Read more about Smith prescription eyewear. Vision ChromaPop™ polarized lenses cut glare and enhance color and contrast Smudge and moisture resistant coating for easy cleaning and clear optics Fit / Integration Medium to large fit, large coverage 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 snug, comfortable fit Frame Evolve™ bio-based frame material is lightweight and durable Strategic low-profile frame details minimize moisture buildup Leash-ready temple tip holes What's Included Hard case Microfiber bag