HYPER BURST cushioning midsole offers a highly responsive and ultra-lightweight experience. This innovative resilient foam is created using a 'Super Critical' process with spherically-shaped cells compressed into the midsole. Skechers Air-Cooled Goga Mat breathable insole with high-rebound cushioning Stretch Fit slip-on design for sock-like comfort Ortholite comfort foam insole layer adds long-term cushioning and high-level breathability with 5% recycled rubber content Machine washable