Amazon offers the Speedo Women's Race Endurance+ Solid Flyback Training Swimsuit in Dark Red for $31. Coupon code "INTHESWIM" drops it to $23.25. Plus, Amazon Prime members bag free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, shipping costs $5.48.) That's the lowest total price we could find by $25. It's available in sizes 28 to 40. Deal ends May 12.