Cozy and warm pyjama made from a soft, insulating fabric called polar fleece. Here's a brief description:

Polar fleece pyjamas are typically made from a synthetic fabric known for its warmth and softness. They are designed to provide comfort and keep you warm during colder nights. The fleece material is plush, lightweight, and breathable, making it ideal for lounging and sleeping in cooler temperatures. They are a popular choice for staying comfortable and snug when it's chilly.