The WEERTI 3XL Thermal Underwear Long Johns with Fleece Lined Base Layer Top is a plus-sized base layer set designed for men. Made from a blend of polyester and spandex, this long sleeve top and bottoms feature a thermal design with a fleece-lined base layer for added warmth. The black color and long john style make it versatile for various winter sports activities. Made in China, this high-quality garment from WEERTI is perfect for cold weather conditions.