Jobst Activewear 20-30 mmHg Knee High Firm Compression Socks. * Jobst 20-30 mmHg Activewear Knee High Support Socks providing effective leg therapy in energizing unisex athletic compression socks. * Dri-Release Yarn Looks and feels like cotton. Helps keep feet dry and comfortable. * Non-Constricting Comfort Band Keeps socks up without binding or pinching. * Reinforced Heel Resists abrasion and provides greater durability. * Seamless Toe & 360 Degree Cushioned Foot Increases comfort. * Material Latex free 60% Polyester 20% Nylon 11% Cotton 9% Spandex 20-30 mmHg (CCL 1) Firm Gradient Compression Indication Guide: Moderate to severe varicose veins Moderate leg & ankle swelling Relief from moderate edema / lymphedema Varicose veins during pregnancy Leg swelling following surgery Following sclerotherapy Orthostatic hypotension Postural hypotension Helps Prevent DVT (Deep Vein Thrombosis)