As one of its daily deals, 13Deals offers this 8-Pack of Women's Sunglasses for $9.99 plus $4.99 for shipping. (The 8-packs for men and kids are now sold out.) That's $1.87/pair, tied with our mention from a week ago and a very low per-unit price. It includes a mix of sunglasses from Cosmogirl, Revlon, ESPN, X Games, and more. Deal ends today.