Machine washable Goga Mat Air Cooled Memory Foam. Lightweight ULTRA GO Skechers Air-Cooled Goga Mat breathable insole with high-rebound cushioning. Lightweight, responsive ULTRA GO cushioning. High-rebound ultra-lightweight Hyper Pillar Technology for added support. Ortholite comfort foam insole layer adds long-term cushioning and high-level breathability with 5% recycled rubber content. Athletic engineered flat knit upper. Ultra Go Midsole Foam, Air Cooled Goga Mat, Dual-Density Outsole, Hyper Pillar Technology, Ortholite.