HealthyFeet Fluid Technology insoles provide targeted relief through a dynamic glycerin-filled design that redistributes weight from the heel to the ball of the foot. These orthotic inserts offer a deep tissue massage effect to increase circulation and absorb shock, making them ideal for those standing on hard surfaces for long periods. The low-profile black fabric top ensures comfort in various shoe styles, including sandals when used with adhesive. Brand: HealthyFeet Type: Orthotic Insoles Technology: Fluid/Glycerin Filled Color: Black Target Relief: Plantar Fasciitis, Heel Spurs, Back Pain Care: Machine Washable, Air Dry Features: Shock Absorption, Arch Support Material: Fabric Top, Liquid Interior Suitability: Nurses, Teachers, Construction Workers Origin: USA Company Keywords: therapeutic, massage, ergonomic, podiatrist, wellness, comfort, footcare, circulation, cushioning, impact, alignment, recovery, support Any color difference is due to differences in lighting. Review all pictures and description information before purchasing. Thank You!