Under Armour Kids - Under Armour Kids Performance Tech Solid 3-Pack Boxer Briefs (Big Kids). Color Black/Red. $28.00. 4.8 out of 5 starsAdd to favorites. 0 people have favorited this+3 colors/patternsBrand NameUnder Armour KidsProduct NameUnder Armour Kids Performance Tech Solid 3-Pack Boxer Briefs (Big Kids)ColorBlack/RedPrice$28.00Rating5Rated 5 stars out of 5(5)