Under Armour Kids - Boxer Brief Underwear (Big Kid). Color Royal. On sale for $21.32. MSRP $26.00. 18% off. 4.4 out of 5 starsAdd to favorites. 0 people have favorited this+4Brand NameUnder Armour KidsProduct NameBoxer Brief Underwear (Big Kid)ColorRoyalPrice$21.32MSRP: $26.0018% OFFRating4Rated 4 stars out of 5(13)