Under Armour Kids - Play Up Solid Shorts (Big Kids). Color Mystic Magenta/Rebel Pink. On sale for $19.78. MSRP $20.00.. 4.7 out of 5 stars+8Brand NameUnder Armour KidsProduct NamePlay Up Solid Shorts (Big Kids)ColorMystic Magenta/Rebel PinkPrice$19.78MSRP: $20.00Rating5Rated 5 stars out of 5(48)