SpencoSpenco Polysorb Cross Trainer Insole

BUY at Zappos

Keep your feet in fighting form with support and cushioned protection of the Spenco PolySorb Cross Trainer Insole.The 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 for full coverage protection.SBR rubber cushions the forefoot and provides extra protection against shock abrasion.Spencore heel-strike pad provides focused cushioned protection.Lightweight, contoured POLYSORB polyurethane foam bonds to closed-cell nitrogen-injected Spenco material, cradling the heel and support of the arch.Ideal for running, walking, and training.