Post Malone ft Jelly Roll in LOSERS F 1 Trillion Trucker Hat. A 100% polyester front and 100% nylon mesh weave back make these hats super durable through regular wear and tear. They come in one size with an adjustable plastic snap closure: 22.8" (58cm). The cap's front has six rows of visor stitching. Pick any (or all) of the four-color variations and start customizing them with your original designs. .: Material: 100% polyester foam front with 100% nylon mesh weave back .: One size fits most (22.8"/58cm) .: Four color combinations to pick from .: Adjustable plastic snap closure .: Six row stitching on visor .: NB! Creases on the hat will straighten out naturally once unpackaged and worn