Amazon has the DC Comics Kids' Action Trio Superhero Costume Set for $14 with free shipping on $25+ or with Prime. List price: $31. Includes Batman, Robin and Superman. Fun to have around even past Halloween.
Has good Amazon Reviews.
Macys has the Perry Ellis Men's Plush Banded Robe (Black or Navy) for $24.93 with free shipping on $25+.
eBay has the Under Armour Men's Fleece Joggers (multiple colors) for $30 with free shipping. Available in sizes M to XXL.
Amazon has the 12-Pack Fruit of the Loom Men's Stay Tucked V-Neck T-Shirts (White, Classic Fit) for $20 with free shipping on $25+ or with Prime. Has excellent Amazon Reviews.