Under Armour Kids - Prototype 2.0 Supersized Shorts (Big Kids). Color Mod Gray/White. Low Stock. On sale for $18.20. MSRP $20.00.. 4.9 out of 5 stars10 left in stock+2Brand NameUnder Armour KidsProduct NamePrototype 2.0 Supersized Shorts (Big Kids)ColorMod Gray/WhitePrice$18.20MSRP: $20.00Rating5Rated 5 stars out of 5(22)