The mcdavid 4 way elastic knee sleeve with stays offers level 2 advanced protection and delivers pain relief from arthritis bursitis and tendonitis with spring steel stays for premium support and lateral movement the 4 way stretch elastic material provides great comfort as it is breathable and offers increased compression without retaining heat the gel buttress supports soft tissue and the patella and the knee sleeve which will fit right and left knees is suitable for those with neoprene a