"I need to borrow this…Hoverboard" Collect this Back to the Future Funko POP! Tee. The included exclusive Marty McFly Funko POP! Vinyl figure carring his iconic hoverboard. Pop! Vinyl figure stands approximately 9.5 cm tall. T-Shirt fits one size larger than normal, so please purchase 1 size down for a regular fit. Tee shirt is in unisex sizes: Small. 100% Cotton.