Dufore® 4 Layer Compression Bandage System, 8/CSPRODUCT FEATURES: This system is designed to sustain effective levels of graduated compression for up to seven daysThe system is comprised of four layers The first layer, an absorptive padding layer, provides padding for bony prominences, distributes compression evenly over the leg and absorbs exudate The second layer provides short stretch compression by resisting expansion of the calf muscle during limb movement It works with the third and forth