Under Armour Kids - Play Up Solid Shorts (Big Kids). Color Mystic Magenta/Rebel Pink. On sale for $17.99. MSRP $20.00.. 4.7 out of 5 stars+12Brand NameUnder Armour KidsProduct NamePlay Up Solid Shorts (Big Kids)ColorMystic Magenta/Rebel PinkPrice$17.99MSRP: $20.00Rating5Rated 5 stars out of 5(49)