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Frequently Asked Questions
Rectangular frames have a wider-than-tall lens shape with straight, angular edges. They're one of the most versatile and universally flattering silhouettes — professional enough for the office, stylish enough for the weekend.
Rectangular frames complement round and oval face shapes best by adding angular definition. They also work well on heart-shaped faces, balancing a wider forehead. If you have a naturally angular or square face, choose a slightly wider rectangular frame with softer corners.
Yes. All INFINIT sunglasses provide 100% UV400 protection, blocking all UVA and UVB rays. Lenses are made of high-impact organic polycarbonate.
Yes. All INFINIT frames accept prescription lenses. Take your frame to any optician or contact us for recommendations.
Free standard shipping on all US orders, 2–5 business days. Free 30-day returns and exchanges — contact us within 30 days if they're not the right fit.
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Rectangular Sunglasses — Timeless, Versatile, UV400 Protected
INFINIT rectangular sunglasses are the brand's most popular shape — and for good reason. The clean, straight-edge silhouette works across face shapes and dresses up or down effortlessly. From slim metal rectangulars for a minimalist look to bold acetate styles with thick temples, every frame offers 100% UV400 protection and ultralight, prescription-ready construction.
Rectangular frames are particularly effective for round and oval faces, adding the angular definition that softens curves. They're also a go-to for professional settings where classic shapes are preferred.
Prescription-Ready & Polarized Options
Every INFINIT rectangular frame accepts prescription lenses. For outdoor use, explore our polarized rectangular sunglasses — same clean shape with an anti-glare polarized filter for driving, water, and snow.
Free Shipping and 30-Day Returns
All US orders ship free with delivery in 2–5 business days. Try at home — return or exchange within 30 days at no cost.