FABRIC TYPE : Copper infused nylon ,we infused copper directly into the nylon to help keep the elbow brace compressed during use, maximizing the life of the elbow brace DAY AND NIGHT COMFORT:Tennis elbow brace for men and women with new 3D woven technology, breathable, sweat-absorbing, strong compression, help improve blood circulation and protect the elbow from injury DESIGNED FOR ELBOW SUPPORT: The copper compression elbow brace is designed to compress the elbow joint and surrounding muscles to provide relief for conditions such as arthritis, bursitis, tennis elbow, golfer's elbow, elbow tendonitis, ulnar epicondylitis, bowling, radial tunnel syndrome, and other elbow pain ERGONOMICALLY DESIGNED ELBOW BRACE: compression elbow braces are designed to fit your elbow at a high level, immobilize the elbow joint , supporting the upper arm and forearm, stabilizing and supporting the muscles, and reducing post-exercise soreness DESIGNED FOR EVERYDAY USE - tendonitis elbow braces are designed to help your elbow joint get the support and still allowing you to retain your range of motion, ideal for sport that requires regular elbow use, such as play tennis, golf, baseball, volleyball, football, cross-training, fit, workouts, and so on