This is a heavy-duty sleeper from The North Face. It has only been used a few times and has been stored. It is convenient not only for use at home but also for short outings. With snap buttons on the shoulders and sides, it should be easy to put on and take off even for babies in the napping stage. Quoted from the website below↓ A sleeper made from recycled microfleece derived from plastic bottles, offering lightweight and excellent warmth, perfect for autumn/winter camping and chilly nights. The fabric is infused with KODENSHI®, which utilizes far-infrared rays to provide sustained warmth and natural heat. Both shoulders and sides feature snap buttons for easy dressing and undressing. It also incorporates an anti-static design to reduce static electricity. The design features the classic shoulder-panel construction of THE NORTH FACE and is suitable for gifts.