Contoured foot with enlarged heel pocket ensures a bunch-proof fit. * Non-constricting knee band won"t cut into skin or bind behind the knee. * Graduated Support Level: Moderate 15-20mm / Hg. * 75% nylon, 25% spandex. * Note: Light to moderate support products are recommended for first-time wearers. Made in USA. Care: Hand wash in warm water with mild soap or detergent. Blot with towel to remove excess water, do not wring or twist. Lay flat to air dry.