HYPER BURST® cushioning midsole offers a highly responsive and ultra-lightweight running experience This innovative resilient foam is created using a 'Super Critical®' process Spherically-shaped cells compressed into the midsole. Skechers Air-Cooled Goga Mat™ breathable insole with high-rebound cushioning Ortholite® comfort foam insole layer adds long-term cushioning and high-level breathability with 5% recycled rubber content Breeze Tech design panels for breathable cooling comfort