ShoeBuy offers the Clarks Men's Beayer Walk Thong Sandals
in Black or Brown for $19.99.
Coupon code "CAKE" cuts it to $14.99
. With free shipping
, that's the lowest total price we could find by $5. They're available in sizes 8 to 13, but not in all size/color combinations.
Update: Better yet, coupon code "EMLBDAY17" cuts it to $13.99