The Red Lion Glide Compression Arm Sleeves provide support and compression to the upper and lower arm for improved athletic performance and recovery. Compression improves oxygen blood flow allowing athletes to train harder and recover faster. Combined graduated work to keep muscles supported and reduce tightness. Seamless knitting process results in a soft and breathlable arm sleeve. The sleeves can be worn during training/practice, as well as racing/compeition to help support muscles and increase oxygen blood flow to the muscles. Arm sleeves are also valuable recovery aids since the more oxygen the muscles receive, the faster they recovery allowing athletes to push the envelope in their training. Ideal for all athletes including golfers, runners, football players, basketball players and more. Sold in Pairs. Sizing: Small/Medium, Large/X-Large.