Unique compression bow sleeve that keeps your sleeve tight to your arm to prevent string slap. Features cell phone holder for easy access without making tons of noise grabbing it out of your pocket. Mesh screen allows for full touch screen operation. Features mesh pocket for grunt call or flashlight. Comfortable stretch spandex fits snug against clothing. Anti-slip rubber gripping elastic so it doesn't slide off. 90% polyester, 10% spandex material that is moisture wicking. One size fits most.