1.Highly Elastic: This arm sleeve guard is highly elastic, not tight, and it can be stretched freely to protect the skin that is suitable for outdoor sports. 2.Silicone Anti Slip Strips: The compression sleeve has built in silicone anti slip strips, which fix the upper mouth position, and the movement is not easy to slide down. 3.Fashionable Digital Printing: Our arm sleeves are designed with fashionable digital printing, not easy to fade, bright colors eye catching, improve safety. 4.Breathable: The ice silk arm sleeve adopts perspiration wicking and breathable fabric, moisture absorbing and quick drying, sunscreen and breathable. 5.Wide Application: Our compression sleeve has wide application that is suitable for cycling, climbing, running, driving, playing, fishing. Item Type: Sports Sleeve Material: 88 percents polyester 12 percents polyurethane Gross Weight: 55g/1.9oz M: Overall length: 38cm/15.0in, upper circumference: 23-27cm/9.1-10.6in, lower circumference: 13-15cm/5.1-5.9in, suitable weight: within 50-60kg L: Overall length: 39cm/15.4in, upper circumference: 25-29cm/9.8-11.4in, lower circumference: 15-18cm/5.9-7.1in, suitable weight: within 60-70kg 1 Pair x Sports Sleeve