HYPER BURST ICE cushioning features dual-density HYPER BURST technology for a soft and stable run Carbon-infused H-plate delivers exceptional stability and energy return with an ultra-high stiffness-to-weight ratio Patented Skechers Arch Fit insole system, this design has been granted the Seal of Acceptance by the American Podiatric Medical Association (APMA) Skechers Hands Free Slip-ins for an easy fit Weight: 8oz in a women's size 7, stack height: 36mm - 30mm (6mm offset)