Spenco Polysorb replacement insoles are a great way to be proactive in avoiding impact shock related foot injuries. Providing extra cushioning and support, Spenco's contoured heel cup and arch support position your feet to reduce the impact stress from hard surfaces. The Spenco Cross Trainer insoles feature special forefoot cushion for a variety of sport movement. An extra heel strike cushion relieves jarring from heavy landings. Spenco's are designed to return energy and help you push off for the next movement. Durable and washable, Spenco replacement insoles offer the added comfort you need while helping to keep your feet injury free.