This Essential Zip Up Set features full sleeve compression technology for a comfortable fit during any activity. The full zip up design allows for easy on and off, while the matching shorts complete the look. The model in the photo is wearing a size small and is 110lbs and 5'4" tall, so you can get an idea of how it fits. This set is true to size, so you can feel confident ordering your regular size. Perfect for workouts or lounging, this set is a must-have for your wardrobe.