Stay warm and comfortable during the chilly days with this 2-piece Athletic Works Thermal Underwear Set. This set comes with a long john top and bottom, perfect for boys who love to stay active and play outdoors. The breathable fabric is made of 60% cotton and 40% polyester, making it lightweight and easy to move around in.

The set features a solid gray color and is designed for machine washable convenience. The undergarment set is ideal for boys who enjoy playing sports or engaging in outdoor activities during the winter season. The product line is from Athletic Works, a trusted brand in the market, and is suitable for boys' size medium.