The BVD Men's XL Natural Warmer Medium Weight Cotton Thermal Bottoms Pants are designed as a base layer bottom for men, featuring a thermal design to keep you warm in cold weather. Made of cotton knit fabric, these ivory bottoms are machine washable and suitable for everyday wear. With a size range of 40-42 inches, these long johns from the B.V.D brand offer comfort and insulation, making them ideal for winter sports or outdoor activities.