Under Armour Kids - Play Up Solid Shorts (Big Kids). Color Rebel Pink/White. On sale for $18.00. MSRP $20.00.. 4.7 out of 5 stars+13Brand NameUnder Armour KidsProduct NamePlay Up Solid Shorts (Big Kids)ColorRebel Pink/WhitePrice$18.00MSRP: $20.00Rating5Rated 5 stars out of 5(49)