Diamond Back Cuff

Small - For wrists up to 6" around (up to 2.25" wide)
Medium - For wrists 6" to 7" around (2" to 2.5" wide)
Large - For wrists 7" to 8" around (2.25" - 2.75" wide)
Extra Large - For wrists 8" around and up (2.5" wide and up)