Under Armour Kids - Play Up Solid Shorts (Big Kids). Color Tetra Gray/White. On sale for $19.68. MSRP $20.00.. 4.7 out of 5 stars+11Brand NameUnder Armour KidsProduct NamePlay Up Solid Shorts (Big Kids)ColorTetra Gray/WhitePrice$19.68MSRP: $20.00Rating5Rated 5 stars out of 5(49)