1It avoids wrist from being injured during intense exercise, and prevents dislocation of wrist joint effectively, reducing the harm that cause by friction and bump. 2Super elastic material is completely gentle to the skin to keep breathable. 3Lightweight, easy to put on and take off, without burden when using. 4The design is scientific and reasonable, in line with the physiology and movement characteristics of human body. 5Great for all athletes - basketball, baseball, runners, tennis & more.