🎄NEW Kids🎄Christmas Elf costume See measurements. Adorable velvet and sequin Elf costume with pants, jacket, hat, and striped socks. It is brand new, but has no size tag. The waist on the pants measures about 15 inches but stretches to about 22 inches with elastic. The length of the pants from waist to bottom is 22 inches. The jacket measures 15 inches from armpit to armpit and is 20 1/2 inches long. The sleeves measure 17 inches long. Smoke-free home. Fast shipping. New to Poshmark? Use code @HJPARRA when you sign up to receive $10 off of your first order.