Spenco 3/4 Length Arch. This unique cushioning system helps absorb shock, reduce friction and improve overall foot comfort. Soft, durable, closed-cell, neoprene-cushioned shoe insert with plastic support can be molded for customized support. Provides the extra comfort and support for optimum performance place in hot water to soften 3/4 length. This insole allows extra toe room in tighter-fitting shoes.