eBay with Reebok has the Reebok Workout Ready Men’s Compression Briefs (black) for $9.99 with free shipping. Currently available in sizes S, M and L.
Extra 50% off Sale Styles. Reebok has the Reebok Katura Women’s Slip On Walking Shoes (multiple colors) for $35 - 50% off with code NOJOKE in cart = $17 with free shipping with a Reebok Unlocked account (free to join).
Or buy 2 pair for $30 with code 2FOR30 in cart.
Walmart with Reebok also has them for $18 with free shipping (no minimum).
Olympia Sports has the Reebok Advanced Trainer Men's Training Shoes (2 colorways) for $20 + $0 shipping with a free Edge Rewards account = $20 shipped.
eBay with Reebok has the Reebok Training Essentials Linear Logo Men's Joggers (Blue, Pink or Navy) for $15 with free shipping.
Proozy has the Reebok Performance Base Layer Men's T-Shirt (Magnet or Black) for $5.99 + $0 shipping with coupon code PZY51 in cart = $5.99 shipped. Made from moisture-wicking fabric.