Patented Skechers Arch Fit© insole with arch support certified by U.S. foot therapists. Model designed by U.S. foot therapists using 20 years of data and 120,000 foot scans. The removable insole conforms to your foot to provide shock absorption and improve weight distribution. Ultra-lightweight and responsive ULTRA FLIGHT© cushioning. Skechers GRIPFLEX TPU outsole without spikes for superior grip and flexibility. Ortholite comfort insole provides long-term cushioning, high breathability and is made from 5% recycled rubber. Mesh and synthetic upper with front lacing.