Made of 60% Cotton, 40% Polyester Soft waffle weave Crew neckline Vertical fly Covered elastic waistband Great for layering split This thermal set has flat seams, making it perfect for layering. The waffle weave is soft against the skin for all day comfort and there is also a covered elastic waistband. There is also a vertical fly and crew neckline. This set is great for layering and keeping warm in the cold.