What is a "onesie"?

A onesie is a one-piece garment that covers the entire body, including the arms and legs. Originally designed as an infant's garment, onesies have become popular as comfortable and convenient clothing for adults as well. They are typically made from soft and stretchy materials such as cotton, polyester, or fleece, and come in a wide range of styles and designs. Onesies are often used as sleepwear or loungewear, but can also be worn as a fun and playful outfit for parties or events. They are easy to put on and take off and can provide warmth and comfort in colder temperatures. Overall, onesies are a versatile and comfortable clothing option that has gained popularity in recent years.