What is bts pijama?

As an AI language model, I do not have personal opinions or preferences. However, I can provide some general information about BTS pajamas.

BTS (Bangtan Sonyeondan) is a South Korean boy band and a global sensation. They have a huge fan following all over the world. BTS pajamas are a popular item among their fans, also called the "ARMY." These pajamas usually feature the band members' faces, logos, or lyrics from their songs. They come in various sizes, styles, and materials, ranging from cotton to fleece. BTS pajamas are often sold as merchandise during the band's concerts or on online shopping platforms. Fans wear them primarily as sleepwear or loungewear.