4.5" Trunks - Black Rainbow Logo

You’ve never seen a trunk like this - the first and the best gender-neutral classic just for you. Somewhere between a short and a brief, our 4.5” trunks are everything you need. Made with supersoft cotton blend that gives just a hint of stretch and makes sure you stay comfy, while our signature stay-put waistband keeps it together without pinching or riding up. Fit-tested on all body types Signature stay-put silky soft waistband 95% OEKO-TEX Certified cotton, 5% spandex Smooth, durable flatlock seams won’t irritate or chafe Mid rise fit, 4.5” inseam Machine wash cold, tumble dry low