COMFORTABLY WARM AND SNUG: This adult onesie pajamas are made using ultra-soft synthetic material that feels incredibly cozy and keeps you warm during those cold nights. Only worn once. DESIGNED FOR DURABILITY: All the seams in this hooded onesie are lock stitched for extra strength and provide enough allowance to prevent any tearing. EASY TO CLEAN: Simply toss the one piece pajamas into the washing machine for a hassle-free clean without risk of shrinking or losing color.