Proozy offers the Sundog Unisex Ellwood Sunglasses in several colors (Matte Black/Smoke pictured) for $39.99. Use the coupon code "PZY17" to cut the price down to $17. With free shipping, that's the lowest price we could find by $13. They feature 100% UVB/UVA protection, Megol temple tips, and Megol nose pad for non-slip performance. Deal ends May 19.