Sports Series-4 Purple Chromax Sunglasses-W1741, by Ray-Ban

Here we have a sparkling brand new pair, never used and with original stickers still on the lenses, Sports Series-4 Sunglasses, by Ray-Ban of Bausch & Lomb. Model #W1741. Made in the 1990s and stored since purchase. Glasses are made of lightweight black composite, lens is rare purple Ace A-30 Chromax Color Contrast for high-performance sports.

Measures 5.25" temple to temple & 2.25"lens' widest.

Contains anti-counterfeit "RB" etched in lens. Comes with Ray Ban registration card, cleaning cloth, and RayBan carrying case which is most likely not original.

Stored in a non-smoking, pet-free environment.

why do we call it a ‘pair’ when it’s one unit?