Jobst Active Knee High 30-40mmHg Compression Socks JOBST Activewear socks are designed for men and women who lead active lifestyles and want comfort and style in their compressionwear. The knee high sock feels like cotton and keeps your feet dry as it uses Dri-Release technology. Dri-Release yarn delivers moisture wicking properties without sacrificing softness and comfort. Dri-Release yarn contains polyester, nylon, and a combination of cotton and spandex elasthan. The benefits of Dri-Release are that it dries four times faster than cotton, keeping you dry and comfortable, is soft to touch and is environmentally friendy without harmful chemicals. To determine your size please measure around your ankle and the thickest part of your calf then refer to the JOBST sizing chart below. Benefits of JOBST Activewear knee high compression socks Dri-Release moisture wicking technology for all day comfort Available in 2 colours - black and white Suitable for men and women Energising compression for your legs to reduce swelling and discomfort Soft cotton feel yarn for all day comfort Seemless toe for comfort Reinforced heel resists abrasion and promotes durability Comfortable knee band keeps socks up without pinching Designed for easy donning for those with reduced dexterity Washing Instructions Machine wash in lukewarm water. can be tumble dried on low heat. Do not bleach, dry clean or iron