What component of a shoe is placed between the sole and insole to enhance rigidity?

The component of a shoe that is placed between the sole and insole to enhance rigidity is the shank. The shank is a crucial structural part of a shoe, typically made from materials such as steel, fiberglass, or plastic. Its primary function is to provide support and stability, particularly in the arch area of the shoe. By enhancing the rigidity of the shoe, the shank helps to improve the overall fit and comfort for the wearer, particularly in footwear designed for activities that require a firm response underfoot, such as hiking or work boots.

Other components, like the insole, lining, and heel, serve different functions. The insole is primarily for cushioning and comfort, the lining contributes to the overall aesthetics and comfort, while the heel adds elevation and assists in balance but does not play a role in enhancing the shoe's rigidity. Understanding the role of each component helps in appreciating how shoes are designed for specific purposes and activities in the apparel and accessories marketing industry.