Common lens features are polarized lenses to reduce glare, shield or one-piece lenses for wider coverage, and UV400 protection to guard against UVA and UVB exposure.
Most options advertise UV400 protection; the descriptions say this helps reduce exposure to harmful UVA and UVB rays during extended outdoor use.
Product details typically list frames as polycarbonate construction.
Listings show lens colors such as black, blue, multicolored, and red; descriptions note red-tinted lenses can boost contrast for activities including fishing.
Common durability features listed include shatter-resistant, scratch-resistant, and impact-resistant lens construction.
They’re described as lightweight with ergonomic or wraparound fits, one-size-fits-most sizing, and secure non-slip or “stay-put” features designed for movement.
They’re promoted for driving, cycling, running, golf, baseball, beach trips, travel, and general outdoor recreation.
