6pm offers the PUMA Men's Foamcat Slide Basic Sandals in Black/White/Dark Shadow for $14.99 with free shipping. That's a buck under our July mention and the lowest total price we've seen. (It's the best deal now by $9.) They're available in sizes 7 to 14 8 and 13.
Various eBay sellers take up to 90% off a selection of athletic gear and shoes, with prices starting from $2. (The sale banner says up to 50% off, but we found higher discounts within.) Plus, many items bag free shipping. Some best bets: