" Mesh fabric upper and microfiber tongue Ultra Go outsole is very light and flexible, suitable for long-term use. Air-Cooled Goga Mat, a breathable, highly resilient insole Ortholite insoles help improve comfort, breathability, and shape retention. Ortholite insoles are made from materials that increase moisture absorption. This helps keep feet dry in the shoe and prevents odor. Ultra-lightweight Hyper Pillar outsole technology with high resilience when walking and running M-Strike outsole supports the center of the foot and improves weight distribution Suitable for aerobics, running, yoga, gym, walking, jogging, treadmill and everyday use."