ZAMST Compression Arm Sleeves for Running Size Black 385801 (Pair) S,

Material: Nylon, Polyurethane Size guide: Size S = 22-26cm circumference at the widest part of the upper arm (measured with the arm relaxed) 2 pieces = a set for both arms If your size is close to the upper limit of the size guide, please choose the larger size. Compression garments that promote efficient arm movement. Ideal for running and volleyball. Part number: 385801