Ends 1/22. Original Penguin is offering an Extra 40% off Select Sale Items. The discount is reflected in cart. Original Rewards members (Join For Free) can get free 2-day shipping on $50+; otherwise, shipping adds $7.
eBay has the Oakley Half Jacket 2.0 Men's Polarized Sunglasses (OO9144-04) for $70 with free shipping. List price: $164. Features semi-rimless frames, black polycarbonate lenses, provide 100% UVA and UVB protection.
Amazon has the Sungait Polarized Driving Sunglasses (several colors, SUNGAIT9951085) for $16.99 - 5% off coupon (Clip extra savings coupon) - $6.50 off with coupon RMD3QC9N = $9.64 with free shipping on $35+ or with Prime. Features composite-UV400 lens, high quality metal frame, 100% UV protection. Has excellent Amazon Reviews.