ZAMST Bodymate Elbow Arm Support, 1 Piece, Ambidextrous, SPBM-ELBOW, Black (380202)M

Sizes: S (22-25cm), M (25-28cm), L (28-31cm), LL (31-34cm) Size Indicators: S (Green), M (Red), L (Yellow), LL (Purple) Material: Nylon, Polyurethane How to Choose Your Size: Measure the width of your upper arm at its widest point with your arm relaxed. The unique support lines gently support your elbow. Thin and compact, it feels comfortable against your skin, providing a comfortable fit. ※※Approximate size and weight: 0×0×0 0g