Spenco Polysorb Cross Trainer Insoles Product Overview: The Spenco Polysorb Cross Trainer Insoles feature a cushioned arch support. They are ideal for replacement sports shoes and boots by helping to absorb shock with their lightweight polyurethane foam footbed. They have additional heel and forefoot padding for increased energy return. Product Features: Cushioned arch support Full-length footbed Hand wash in warm water, air dry Trim to fit Arch height: 15 mm Thickness at forefoot: 3.75 mm Thickness at heel: 10 mm Weight: 1.9 oz (Size 2 Men's 6-7.5/ Women's 7-8.5 Ideal For: Shoe type: Cleats, Everyday, Dress Shoes, Hiking, Backpacking, and Military Boots, Sneakers Activity type: Running, Walking, Standing, Basketball, Gym, Hiking, Tennis Arch type: Low Arches Pain relief: Foot Fatigue and Soreness, Heel Spurs