Adult thigh Cuff. Thigh single-tube cuff (leg) 46 to 66 cm. Large adult Cuff. Big adult single-tube cuff (arm) 33 to 47cm. Adult Cuff. Adult single-tube cuff (arm) 25 to 35 cm. Child Cuff. Pediatric single-tube cuff (arm) 18 to 26 cm.