From skiff to city, Smith’s Backcast brings polarized, color-boosting clarity to long days on the water with a clean, everyday shape that fits right in on land.Lenses: ChromaPop polarized lenses enhance color and contrast and cut harsh glare; available in lightweight Carbonic or ultra-clear, highly scratch-resistant ChromaPop Glass; optional ChromaPop Glass PolarChromic lenses adapt to changing light; smudge- and moisture-resistant coatings offer easy cleaning and crisp optics.Frame: Lightweight, durable Evolve bio-based frame with a versatile silhouette and modest 6-base wrap; low-profile details help minimize moisture buildup.Additional features: Medium–large fit with large coverage; AutoLock hinges for easy one-handed on/off; spring hinges self-adjust for a custom feel; grippy Megol nose and temple pads stay put; leash-ready temple tip holes; microfiber pouch included. 61mm lens width; 16mm bridge width; 130mm temple length 100% UV protection Made in the USA