Cozy Warm Our pajamas made of polar fleece material which makes them breathable and comfortable to wear You will feel the ultra plush material when you wear this pajamas so you can be comfortable, warm and cozy whenever and wherever Notice: We will recommend you to wash it after receiving due to the long time from us to your hands More Details About This Pajamas Zipper on button design is convenience for going to the John Just unzip it when you need, easy and efficient