Sungait via Amazon offers the Sungait Men's Ultra Lightweight Rectangular Polarized Sunglasses in Black or Gunmetal for $14.99. Coupon code "NO4IA8QW" cuts them to $9.99. Plus, Prime members receive free shipping. That's $5 off and tied with last week's mention as the lowest price we could find. They feature 100% UV protection. Deal ends February 23.