Under Armour Kids - Under Armour Girls Fly By Athletic Shorts (Big Kids). Color Downpour Gray/Matrix Green/Reflective. On sale for $15.00. MSRP $25.00.. 5.0 out of 5 stars+6Brand NameUnder Armour KidsProduct NameUnder Armour Girls Fly By Athletic Shorts (Big Kids)ColorDownpour Gray/Matrix Green/ReflectivePrice$15.00MSRP: $25.00Rating5Rated 5 stars out of 5(6)