Midfoot frame supports the foot while running • Seamless, moisture-wicking liner wraps your foot in comfort • Padded tongue and heel collar mould to your foot for an inviting fit • Heel clip provides additional support and a locked-in feel • Pressure-mapped outsole increases traction and flexibility • Weight: 266.8 grams (9.4oz) in a US Women's size 8 • Heel drop: 9.5mm Great condition only worn a couple times!