Horse Slippers, Comfy Feet Slippers make people happy & they feature delightful motifs and are hands-down (or should we say ”feet-down”?) the squishiest, most comfortable thing you’ve ever walked in. A 1-inch foam insole and super soft polyester material ensure an awesome slipper experience. These slippers come in one size, Youth Large. Soft, easy clean polyester material. One size: Youth Large 2 – 3.5. For indoor use. 1-inch thick foam insole for comfort. Beautiful gift for a horse lover.