The Fruit of the Loom Men's Fleece Sleep Pajama One Button Fly Pants in XL size (40-42) are made of 100% polyester microsuede fabric, providing a cozy and comfortable fit. The classic plaid pattern adds a stylish touch to these pajama pants, while the functional one-button fly ensures easy and convenient wear. Perfect for the winter, fall, and spring seasons, these pants are easy to care for with machine washable instructions. With pull-on styling and an adjustable drawstring waist, these pajama pants offer both comfort and convenience for a good night's sleep.