Zipper closure.Machine Wash.PLEASE READ Please see our size chart located in the below for the best information on our sizing.FORGET THE ROBE And get ready to wrap yourself up in one of Ugly Christmas Sweater inspired adult onesies. Our long sleeve jumpsuits are perfect for celebrating the holiday season and staying snuggled up all night longKEEP IT COZY With our hooded cozy fleece jumpsuits, youll be ready for the rigors of the holiday season. Take it easy with one easy zipper to help make getting in and out easy. Whether youre working from home or showing off at the office, keep it cozy.HOLIDAY CARD READY Step up your greeting card photo game this year. Make your outfit picture perfect from all angles and match with the people you hold closest. With multiple styles and designs to choose from, the whole family will be ready and matching in no time.