The Under Armour Women's HeatGear Armour Shorty is a top-selling compression short on Amazon. It is designed to provide a comfortable and supportive fit during warm weather workouts. The shorts are made with Under Armour's HeatGear fabric, which wicks away sweat and dries quickly to keep you cool and dry. The compression fit helps to reduce muscle fatigue and improve circulation, while the four-way stretch construction allows for a full range of motion. These shorts also feature a wide waistband for added comfort and a hidden pocket for small essentials. With thousands of positive reviews, it's no wonder these shorts are a best seller.