Columbia offers its Columbia Men's
or Women's Vent Cush Flip Flop Sandals
in nine colors (Men's Black Rocket pictured) for $14.98
. Plus, Greater Rewards members receive free shipping
. (Not a member? It's free to sign up
.) That's $15 off list and the lowest total price we could find. They're available in men's sizes 7 to 14 and women's sizes 6 to 11, although not in all size/color combinations.