SOCKS, KNEE-HI COMPRSN INFUSEDLG/XLG (48PR/CS) Tight medical-grade stockings apply continuous pressure to feet, ankles and calves to boost circulation, prevent fatigue and accelerate recovery A soothing blend of camphor, wintergreen and safflower oil activates upon movement for better blood flow, reduced inflammation and swelling Lightweight, sweat-absorbing material keeps you cool, dry and comfortable all day long while helping to reduce odors, itchiness and irritation Machine washable