Nike has the Nike Men's Revolution 6 Next Nature Shoes (Black/Iron Grey/White) for $45 with free shipping for NikePlus Members (free to join).

$45 Shop Now

Nike is offering Up to 50% off New Markdowns. Shipping is free for Nike+ members (free to join).

eBay has the ASICS Men's Japan S Shoes for $37 with free shipping. List price: $70. Features the upper is designed with suede, canvas, and quilt fabrics, heel is stamped with a patchwork aesthetic that's rendered with a paisley pattern. Available in select sizes from 9.5 to 14.

$37 Shop Now

Amazon has the Calvin Klein Alonzo Men's Slide Sandals (Black or Red) for $20 with free shipping on $25+. Features upper, lining, and insole made of textile material.

$20 Shop Now

Amazon has the Reef Men’s Leather Smoothy Sandals (Bronze Brown) for $22 with free shipping on $25+ or with Prime. 100% leather, made with a full grain leather strap that will last.

Has good Amazon Reviews.

$22 Shop Now

Amazon has the 4-Pack Dr. Scholl's Odor X Odor Fighting Insoles (Black) for $12 with free shipping on $25+ or with Prime. List price: $18. Fits all shoe types and provides extreme sweat protection.

Has good Amazon Reviews.

$12 Shop Now

Nike has the Nike Air Max Pre-Day Men's Shoes (Twine/Light Bone/Game Royal/Pollen) for $85. Shipping is free for NikePlus Members (free to join).

$85 Shop Now