Skadino via Amazon offers its Skadino Unisex Justin Floating Bamboo Sunglasses in Polished Brown or Polished Black for $29.99. Coupon code "4RZAWZJO" cuts that to $17.99. With free shipping, that's $6 under our mention of another style from three days ago, $12 off, and the lowest price we could find. They feature polarized lenses. Deal ends August 31.