Helps Relieve Sore, Aching Muscles & Poor Circulation Incredible stockings pack a triple dose of powerful pain-reduction therapies. Gentle graduated compression, easy on, easy off zip-up style and magnetic therapy, believed by millions to help ease pain and increase circulation. Powerful relief for sore, aching muscles, poor circulation, varicose veins and more. Import of cotton/poly/elastane. 9 mmHg To 17 mmHg S/M Fits Calves Up to 16" L/XL Fits Calves Up to 19"