Ua Fly-by

Loose: Generous, more relaxed fit.
Lightweight woven fabric delivers superior comfort & durability
Front hand pockets with hidden back storage pocket
Material wicks sweat & dries really fast
Super-breathable mesh side panels to dump excess heat
Wide covered elastic waistband for the perfect comfort fit
Shaped hem delivers enhanced coverage without looking big & bulky
Built-in brief for enhanced coverage
Reflective details deliver greater visibility on low-light runs