Jobst Relief delivers compression therapy at an affordable price. Accurate gradient 15-20 compression therapy provides relief from tired aching legs and varicose veins. 3-D knit structure uses air covered spandex yarn that is soft to touch and comfortable for all-day wear. Closed toe styles are designed with a roomy toe for additional wiggle room. This product is Latex free. Moderate Compression Level (15-20mmHg) Indication Guide: (1)Minor varicosities (2)Minor varicosities during pregnancy (3)Tired Aching Legs (4)Minor ankle leg and foot swelling (5)Post-Sclerotherapy (6)Helps Prevent DVT Fiber Content: 80% Nylon 20% Spandex Care Instructions: Hand or machine-wash with warm water and mild soap or detergent. No chlorine bleach. Warm water rinse. Hang or lay flat to air-dry. May dry in a dryer on low heat or delicate setting. Placing your stockings in a mesh laundry bag will help protect them during the wash cycle.