This jersey has a tailored fit designed for movement. 7. Flywire strength resists stretch around the neck, so it holds its shape. 8. Strategic ventilation over major heat zones helps keep you cool. 9.

2. Flywire strength resists stretch around the neck, so it holds its shape. 3. Strategic ventilation over major heat zones helps keep you cool. 4. Zoned stretch fabric at the sides is tailored for a ...

With a carbon-fiber plater, redesigned midsole and brand-new upper, the unsung Streakfly just put itself on the front foot.