Based on my observations, these fleece bottoms are a great choice for active men who want both warmth and flexibility in their workout clothes. Made from super soft microfiber fleece, these bottoms feel great against the skin while providing ample insulation. The elastic waistband and stretchy fabric make them comfortable to wear during even the most rigorous exercise routines. While they may run slightly large for some individuals, it is a small downside compared to the overall quality of the product.