These trunks are an exact replica of the trunks worn by Rocky Balboa in Rocky. Made from a soft satin / polyester blend with an elastic waist, these trucks are not only comfortable, but also the perfect fit. So celebrate the 40th Anniversary of Rocky this Halloween by becoming one of the greatest fighters of all time, the Italian Stallion, Rocky Balboa! Waist - 36" stretches to 41" / Inseam - 9". One size fits most.