Fit and flexibility are key in this ultra-lightweight-and slightly sparkly-training shoe designed with a stretchy inner sock that hugs and moves with your foot and signature Flywire cables that connect the lacing and the midsole for secure lockdown during even the most intense workouts. Innovative Tri-star flex grooves in the tread let the sole twist and bend with your foot without sacrificing support or traction no matter how hard you train. Style Name:Nike Free Tr 7 Metallic Training Shoe (Women). Style Number: 5369502. Available in stores.