Woven knit fabric upper promotes circulation and reduces friction Molded footbed delivers maximum underfoot comfort Lace fastening delivers a secure, custom fit Molded heel hugs your foot for all day support TPU heel clip for improved stability Lightweight, impact-absorbing, two-part C360 EVA midsole with Infinity Energy Capsules™ reduces impact and stabilizes every step C360 foam™ cradle delivers maximum cushioning and long-lasting rebound High-traction C-tread™ rubber outsole offers maximum traction and grip on all surfaces Fits snug. We recommend half size up if you prefer a roomier fit