Spenco Polysorb Cross Trainer
Keep your feet in fighting form with support and cushioned protection of the Spenco PolySorb Cross Trainer insole. Ideal for running, walking, and training. Silpure antimicrobial top cloth reduces friction and heat build up with it's four-way stretch nylon construction, preventing blisters and calluses. SpenCore heel-to-toe cushioning provides full coverage protection. SBR rubber cushions the forefoot and adds extra protection against shock abrasion. Spencore heel-strike pad offers focused cushioned protection. Lightweight, contoured POLYSORB polyurethane foam bonds to closed-cell nitrogen-injected Spenco material, cradling the heel and support of the arch.