The Under Armour Men's Hot Sauna Suit is designed to enhance sweat production during workouts, providing a more intense and effective exercise experience. Made of 100% polyester material in a solid black color, this one-piece pants in size 36-37 are perfect for men looking to increase their fitness levels in a comfortable and stylish way. The sauna suit is ideal for those who enjoy fitness, running, and yoga, offering a unique and beneficial approach to achieving their workout goals.