Amazon has the Gildan Men's V-Neck T-Shirt 5-Pack (GIL1103) for $12 with free shipping on $25+ or with Prime. Lust price: $15. These tees are built to last with durable tubular collar design and covered shoulder seams. Available in select sizes S to XL.
Has good Amazon Reviews.
eBay has the adidas Essentials 3-Stripes Men’s Pants (Black/Active Gold) for $20 - 30% off in cart = $14 with free shipping. Features elastic cuffs and made of 70% cotton / 30% recycled polyester fleece.
Amazon has the 6-Pack Fruit of the Loom Men's Stay Tucked Crew Shirts (Classic Fit, White) for $10 with free shipping for Prime members or on $25+. Also, get the Tapered Fit for the same price.
Has excellent Amazon Reviews.
Amazon has the 12-Pack Chemical Guys Premium Microfiber Towels (Gold, MIC50612) for $15.56 - 15% off with Subscribe & Save = $13.23 with free shipping for Prime members or on $25+. Retail price: $19. Has excellent Amazon Reviews.