Today only, as part of its Gold Box Deals of the Day, Amazon is offering up to 25% off Prime Exclusive sleepwear. A Prime membership or an order of $25+ will receive free delivery. Our top pick from this sale is the Half Sleeve Solid Botton and Tee Set for $21. That’s $7 off the regular rate and it’s lightweight, which is a perfect option for warmer weather. Find the rest of our top picks below.