The third generation Dry-Lite features a tencel, polyester and spandex fabric blend that will drape well on your long, thin frame. This material is durable, moisture wicking and has four dimensional flexibility, all while being soft, light and comfortable. These shirts have a more athletic fit and a raglan style sleeve. You're going to love working out in one of these! These shirts are great for working out, sleeping, as an undershirt or pretty much any activity.