... support belt, back protector/ brace, industrial/ elastic back supportWS-0203HASize: S ≤90cmM 91~105cmL 106~125cmXL 126~145cmXXL 146~160cmXXXL ≥161cmSizes ... . Good for blood circulation, reducing muscular pains, fatigue and lumbago. WS-0203A Neoprene Back Brace