The McDavid Adults' Level 2 Knee Sleeve offers relief from arthritis, bursitis and tendonitis. Designed to fit the left or right knee, the sleeve is made of 4-way stretch polyester, rubber and nylon with a gel insert buttress that applies compression for soft-tissue and patella support and compression without heat retention. McDavid Adults' Level 2 Knee Sleeve, Medium - Sport Medicine And Accessories at Academy Sports