new in box -Boys Under Armour boxer jock size YXL Contoured pouch for a comfortable fit. 90% polyester, 10% elastane. Machine wash, tumble dry. They'll be comfortable and supported in the breathable Under Armour® Kids 2 Pack UA Blur Boxer Brief! All Under Armour® Apparel features a tagless design or tear-away tag with no left-over pieces. Fitted fit is snug, but not tight, for next-to-the-skin support without the squeeze of compression.