Under Armour Kids - Under Armour Kids Performance Tech Solid 3-Pack Boxer Briefs (Big Kids). Color Midnight Navy. $28.00. 5.0 out of 5 stars+3 colors/patternsBrand NameUnder Armour KidsProduct NameUnder Armour Kids Performance Tech Solid 3-Pack Boxer Briefs (Big Kids)ColorMidnight NavyPrice$28.00Rating5Rated 5 stars out of 5(2)