GF0171 — Men's Sunglasses From The Guess Factory, the GF0171 is a timeless full-rim model crafted from injection-molded plastic for everyday urban use. The silhouette blends style with practicality, making it a solid pick for those seeking a bold outdoor accessory. Guess Factory preserves the brand’s signature vibe in accessible frames without compromising its character and personality. Size: 57-18-140. The 57 mm measurement denotes lens width, 18 mm refers to the bridge width, and the temples measure 140 mm. A 57 mm lens tends to flatter oval, square, and rectangular face shapes. Frame and fit: The frame exhibits clean, balanced lines that suit a variety of outfits and occasions. Lens details: The lenses offer UV400 protection, blocking 100% of UVA and UVB rays. With a standard sun-filter category, they’re suitable for everyday outdoor use.