Spenco PolySorb Insoles

These are versatile replacement insoles designed to fit most casual, work, and athletic shoes. Because they are built for heavy-duty support, they work best in shoes with removable factory insoles that provide enough internal volume to accommodate the added cushioning.

Standard factory insoles are often thin and designed for minimal comfort. The Spenco PolySorb Heavy Duty insoles are engineered with denser materials to provide significantly more shock absorption, arch support, and long-term durability for demanding daily wear.

Yes, these insoles are designed to be trimmable. If the fit feels slightly off, you can use your shoe's original insole as a template to trim the forefoot area for a precise, custom fit.

Absolutely. The 'Heavy Duty' designation specifically refers to their ability to withstand long hours of standing or walking. They provide a robust foundation that helps reduce foot fatigue compared to thinner, standard inserts.

For the best fit and performance, we recommend removing the original factory insole first. This ensures the Spenco insoles sit flat and don't make your shoes feel too tight or cramped.