adidas Kids - Performance 4-Pack Boxer Brief (Big Kid). Color Legend Ink Blue/Clear Onix Grey/Bright Red. On sale for $21.00. MSRP $28.00.. 5.0 out of 5 starsBrand Nameadidas KidsProduct NamePerformance 4-Pack Boxer Brief (Big Kid)ColorLegend Ink Blue/Clear Onix Grey/Bright RedPrice$21.00MSRP: $28.00Rating5Rated 5 stars out of 5(1)