Crocs via eBay offers its Crocs Unisex Athens Flip Flops in Navy/Ocean or Black/Black for $14.99 with free shipping. That's tied with our mention from a week ago at $20 off list and the lowest total price we could find They're available in junior's size 3, women's sizes 6 and 8, and men's sizes 4 and 6, although not in all size/color combinations.