Chase horizons with the Costa 6S9105 Tuna Alley PRO sunglasses. Born on the water, these rectangular frames in tortoise exude sleek style while providing unrivaled functionality. Crafted from durable nylon and propionate, they feature polarized, green mirrored lenses that cut through glare and reflections, offering enhanced clarity and contrast in intense light conditions. Perfect as Costa sunglasses for men, the updated vent system, part of the PRO Series upgrades, ensures exceptional performance for those who need water to breathe. Designed to protect against 100% of UVA/UVB rays, these tortoise sunglasses are your go-to for coastal adventures.