Sferoflex Sf 1581 Optical Frame by Sferoflex pairs a clean square silhouette with the brand’s signature flexible temples for comfortable, all-day wear. Ideal for prescription lenses and everyday use. Key attributes: Red | Rosso | Plastic | Flexible spring temples | Prescription ready | Square frame | Full-rim frame | Dimensions & fit: Medium: Lens width 53 mm, Bridge 17 mm, Temple length 140 mm, Lens height 47 mm | Large: Lens width 55 mm, Bridge 17 mm, Temple length 145 mm, Lens height 48 mm | Sizes available: Medium and Large | Classic/regular frame fit Colour: brown