eBay has a great deal on the Crocs Unisex Specialist Vent Clog for $9.49 Shipped!
A bit about this item:
Certifiably Comfortable™The Crocs Specialist Vent Clog: work shoes that let your feet breathe. With a thicker metatarsal area, this clog offers additional protection for the top of your foot. A Croslite™ footbed, closed heel and raised edging around the portals make this the perfect shoe for work.Specialist Vent Clog Details:Forefoot vents improve airflow and are inset to protect against spillsEnhanced arch support for all-day comfortTiny nubs along footbed deliver a massage-like feeling.