Adult SIZED Wooly Mammoth Ride in Costume One Size Fits Most New with Tags! HOW FUN! This brown ride-a-mammoth one-piece makes a fun and whimsical Halloween or costume party outfit. It features a 3D woolly mammoth elephant that's detailed with ears, trunk, tusks and a fuzzy tail to give a fun and playful realistic look. The plush animal costume comes with fully adjustable straps to offer a comfortable fit on the shoulders. It's warm, cozy and easy to wear!