Sigvaris Active Therapy - Athletic Recovery Compression Sport Socks for Women are made by Sigvaris the global leader in compression therapy. With true 15-20 mmHg compression Sigvaris Athletic Recovery Socks help to flush out the lactic acids built up in the leg muscles during exercise. Marathon runners Triathletes and other athletes who wear these socks find they relieve tired aching legs and exercise-induced muscle soreness. The patented drirelease and latex-free yarns with an embedded Freshguard treatment that virtually eliminates odors! See Size Chart tab for sizing information