Placing a PP (polypropylene) shell in an insole serves several functions:
1. Stability and Support
The PP shell provides structural support and stability to the foot. It helps to control excessive foot pronation (inward rolling) or supination (outward rolling), which can contribute to various foot conditions and imbalances. The shell helps to align the foot properly and maintain a neutral position, reducing the risk of injuries and improving overall foot mechanics.
2. Arch Support
The PP shell can be designed with an arch support feature that helps to provide additional support to the foot’s arch. This is particularly beneficial for individuals with flat feet or fallen arches, as it helps to lift and maintain the arch in a more optimal position, reducing strain on the arch and associated discomfort.
3. Pressure Redistribution
The PP shell can be customized or contoured to redistribute pressure on the foot. Providing support and cushioning to specific areas of the foot, such as the heel or forefoot, it helps to alleviate pressure points and reduce the risk of developing ulcers or sores, which is especially important for individuals with diabetes or sensitive feet.
4. Shock Absorption
The PP shell, when combined with other cushioning materials, can enhance shock absorption properties of the insole. This helps to reduce the impact forces generated during walking or running, reducing stress on the feet and lower limbs.
5. Durability
PP is a durable material that can withstand regular wear and tear. By incorporating a PP shell into the insole design, increases the longevity and durability of the insole, ensuring it can provide consistent support over an extended period.
It’s important to note that the specific design and features of the PP shell may vary depending on the intended use and the individual’s foot condition. Customized insoles with a PP shell can be created to address the specific needs and requirements of the wearer.
Related product links: https://www.aideastep.com/product/pp-shell-heat-moldable-arch-support/.