The FS6 Compression Foot Sleeve uses Patent Pending Compression Zones to relieve Plantar Fascia pain and other foot pain relief. It gently lifts the PlantarFascia (under-foot support structure) and helps move fluids and blood out of the foot and heel to reduce swelling and pain. Keeping the Plantar Fasciagently stretched with increased blood flow to damaged tissue, the feet and heels will have less pain and inflammation.FS6 can be used for resting therapy or over night and gives morning pain relief from the first day.Targeted Conditions: Plantar Fasciitis Achilles Tendonitis Swollen Feet Arch Pain Heel Pain *FS6 guarantee your complete satisfaction with this product. If you're unhappy with the fit or results of this product at any time during the first 30 days after purchase, simply return it to the place of purchase, with proof of purchase, for a complete refund.Zone 1: Gentle CompressionFlat and smooth forefront with no ridges that can cause excess pressureZone 2: Moderate CompressionGraduated compression, loosening around the widening portion of the foot/arch.Zone 3: Firm CompressionGraduated compression firm enough to create venous system support, tissue stabilization and gently lift the plantar fascia ligaments.Zone 4: Moderate CompressionAnatomical turn for a deep heel pocket shaped to the in-step. In-step release area on top with thinner fabric to minimize bunching.Zone 5: Firm CompressionFirm graduated compression provides leverage to the support of zone 3, and further boost to the venous system.Zone 6: Gentle CompressionGraduated and made in a wide, smooth knitted hem to further support circulation with non-binding comfort. Size printed inside hem!