The Airplus Plantar Fascia Orthotic Insole provides an arch plate to support the plantar fascia the slim 3/4 length design fits into most footwear and won t crowd the toe area. A heel cup provides stability and keeps the foot in place during wear. A gel drop in the heel area provides additional protection against heel spurs. The Airplus Plantar Fascia Orthotic insole is great for everyday wear. Designed to fit most women s shoes size 5-11. Provides stable arch support and comfort.