Camp Muscle exclusive Pro-Style Bodybuilding Posing Trunks are made thinner on the sides with less coverage in the back than our NPC style to showcase those shredded glutes. Made with top-notch nylon and Spandex, this Premium Tricot fabric offers exceptional durability and performance that has fantastic stretch and is resistant to chlorine so you can wear them on stage, at the pool, or on the beach! Made in Florida USA!