85%cotton,15% Spandex.Zipper closure.COMFORTABLY WARM AND SNUG: These adult onesie pajamas are made using ultra-soft synthetic fleece material that feels incredibly cozy and keeps you warm during those cold nights.HOODED ONESIE: Hooded onesie with half-zip closure, plush Sherpa fleece-lined hood with pom pom drawstrings, banded knit cuffs and 2 side pockets. Available in several solid colors and siezs.DESIGNED FOR DURABILITY: All the seams in this hooded fleece onesie are lock stitched for extra strength and provide enough allowance to prevent any tearing.DESIGNED FOR DURABILITY: All the seams in this hooded fleece onesie are lock stitched for extra strength and provide enough allowance to prevent any tearing.EASY TO CLEAN: Simply toss the womens one piece pajamas into the washing machine for a hassle-free clean without risk of shrinking or losing color.