Wheelchair Back Cushion 20x17 General Use w Lumbar Support Hydrocollator Moist Heat Cover 5 D Product Dims: 185 Waterproof backing prevents strikethrough 5 D Product Dims: 185 Mens X Large 12´ 14+ * Womens 13´ 15+ * Has a semi rigid strap that pulls the toes upward and the foot into a slight dorsiflexion position * This gently stretches the plantar fascia so it may heal * The combination of the thermal properties that help reduce inflamation and the stretching of the plantar fascia while sleeping may aid in the treatment of Plantar Fasciitis * Non slip Safety SoleTM rubber grip bottom helps prevent slipping * Improves seating posture while providing back support and comfort * Durable masonite board sercured on back of foam core prevents hammocking in sling back wheelchairs * Conforms to provide support to the lumbar region * Sealed liner protects foam core from moisture * Has a non slip vinyl back to prevent the cushion from sliding * Weight Capacity: 300 lbs * Limited 18 Month Limited Warranty on cover and cushion * Compare to Jay Basic Back *