eBay has the PUMA Turino SL Men's Sneakers (multiple color options) for $22 with free shipping.
Nike has the Nike Air Men's Zoom SuperRep 2 Shoes (Black/Martian Sunrise/Red Plum/Sea Glass) for $61 with free shipping for NikePlus Members (free to join).
Amazon has the Under Armour Men's Ansa Fix Slides Halo (Gray/Royal) for $14 with free shipping 0n $25+ or with Prime. List price: $25. Features fabric-and-synthetic, imported, rubber sole, Available in select sizes from 7 to 15.
Has excellent Amazon Reviews.
Amazon has the Saucony Men's Ventilating Comfort Fit Socks 6-Pack for $8.18 with free shipping on $25+ or with Prime. List price:Has excellent Amazon Reviews.
eBay has the Puma Cool Cat Men’s Slide Sandals (lots of colors) for $9.99 with free shipping. Also, get the Puma Cool Cat Bold 2 Men's Slides for $9.99 with free shipping.