Carter's Toddler Boys 2-Piece Micro Fleece "COOL" Pajamas Set - (Size 3t) 100% polyester microfleece - super soft and warm - machine washable and flame resistant Super soft & comfy top has cute black penguin applique with the word "COOL" and turquoise ribbed trim Pants have cute penguin design on a black background and no pinch material covered elastic waistband Tagless for child's comfort with turquoise ribbed neckline Nice and warm for those cold nights