These Men's JobSite Work Insoles reduce the wear and tear your feet feel during a long workday. You get a perfect fit by trimming each insole to the desired size and slip inside your boots. The Men's JobSite Work Insoles are made with a breathable, antibacterial fabric to wick away moisture and reduce odor. Double-layered cover is lightweight, durable and heat resistant. Fits Men's sizes 8-13.