Nike Women's Free Rn 5.0 2020 Running ShoesA new lacing system helps keep your foot secure while you runNon-stretch material throughout the upper holds your foot in place, while 3 foam pods in the heel add extra lockdown.The shoe's bootie construction is integrated into the tongue for a snug, seamless fit. A pull tab at the back of the heel adds easy entryFoam at the midsole is firmer than previous versions, providing better ground feel.Thin cuts in the sole help promote natural motion in the foot, with dual cuts at the top and bottom of the foot for flexibility.