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Gear up for your next adventure wearing the Mono Fly unisex sunglasses from Black Flys. Their square profile and bold rims draw attention to your eyes, while temples provide a no-slip grip behind the ears. These sunglasses offer protection against glare and wind so you can focus on enjoying your activity rather than worrying about your gear. The plastic frames of these Black Flys sunglasses are lightweight and strong, so they're comfortable to wear while also durable enough to last through years of outdoor use. Crafted in flexible plastic and wirecore construction, the square mono lenses of these Black Flys shades offer enhanced depth perception during action sports like surfing or mountain biking.