Description: Breathable, moisture absorbing and UV protection Upgraded non-slip elastic bands on top, quick-dry fabric It can keep you dry and cool in the hot condition and warm in cold condition For cycling, fishing, golf, driving, jogging, and other outside activities Suitable Season: Spring, Summer, Autumn, Winter Material: polyester, spandex Size Chart: Size Length Upper Circumtance Wrist Circumtance M 41cm/16.14 inch 24cm/9.44 inch 15cm/5.90 inch L 42cm/16.53 inch 25cm/9.84 inch 16cm/6.29 inch XL 43cm/16.92 inch 26cm/10.23 inch 17cm/6.69 inch Note: Please refer to this suitable size according to your body data, "recommendation" is for reference only Package Includes: 1 Pair of Arm Sleeves Note: Please allow slightly size difference due to manual measurement.