- Jobst® Anti-Em/GP Stockings applies a gradient compression, greatest at the ankle, and gradually decreasing up the length of the leg without causing a tourniquet or impeding the venous return - Jobst® Anti-Em/GP Stockings are seamless A convenient opening is located on top of the foot so the patient"s skin will never touch the floor Measuring Information (Knee High): Measure Calf circumference and length from heel to bend of knee. Take measurements and reference size chart to determine correct size to order. Fiber Content: Knee High: 85% nylon, 15% spandex Care Instructions: Jobst Seamless Anti-Em/GP Stockings may be machine washed and dried using low heat settings. Do not use bleach.