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provide support where you need it
Functional Fit
the knit tongue and collar help provide a soft and supportive feel
City or Trail
while the stretchy
JA FLY 4 - WHITE/BRIGHT CRIMSON W860C11 provide support where you needFinish through the tape 1st in the Nike Ja Fly 4, a sprint spike made to help you set personal records in everything from the 60 to 400 metres. Nike's lightest Sprint spike sports a revamped plate for enhanced stiffness and an updated upper for better breathability, so you can stay focused on doing your best. The dropdown size is men's sizing. See below for conversion. UNISEX SIZING: Mens 4 = Womens 5. 5 Mens 4. 5 = Womens 6 Mens 5 = Womens 6. 5 Mens
