LIGHTWEIGHT, LOW-PROFILE FLEXIBILITY. The Nike Free RN 2017 Women's Running Shoe weighs less than previous versions and features an updated knit material for an even more comfortable fit and flexible feel. •Rubber sole •Flywire cables are built into the lace-up closure for adjustable, adaptable fit •Lightly padded tongue and collar for a supportive wear •Soft fabric lining offers a great wear inside shoe •Removable foam insole •Fused synthetic throughout forefoot •Excellent used condition