ZAMST Zamst Elbow Sleeve Elbow Support Adjustable design that fits the shape of the arm, which varies from person to person, by allowing adjustment of the upper arm and forearm thickness. Easy-to-attach Velcro closure. Double Russell material for comfortable wear. Brand: ZAMST (Zamst) Part: Elbow Style: Long type without pads (Elbow Sleeve) Golfer's elbow, tennis elbow Size L Fits upper arm circumference of 25-28cm *Please select the size based on the upper arm circumference 12cm above the elbow, with your arm relaxed. Worn twice Washed. Thank you for your understanding regarding used items.