The DonJoy Performance knit elbow sleeve is a breathable, 4-way stretch compression sleeve designed to provide mild elbow support and relieve swelling and elbow pain. Low-profile, the slip-on elbow supports the elbow and can be worn during day-to-day activities without limiting elbow movement. The knit elbow sleeve uses Aegis antimicrobial technology, designed to combat odor, stains and deterioration.