adidas Boys Performance Microfiber Boxer Briefs (4-Pack or 3-Pack) Kids Graphic Underwear, Team Royal Blue/Grey/Black, XL

Designed for boys who enjoy active play. The adidas Youth Microfiber Boxer Briefs come in a 4-pack built for youth athletes, active kids and weekend wearers across school days, active play, sports practice, weekend rotation, after-school activities and casual wear. Soft, stretchy microfiber material moves with the body through running, jumping, climbing and active play. Quick-drying fabric keeps kids cool and dry through energetic school days, sports practice and weekend activities. A no-ride-up construction stays in place through movement. A plush-soft tagless waistband and super-smooth stitching deliver superior comfort against the skin — no scratchy tags, no rough seams. Four pairs cover a full school-week rotation of active and everyday wear. SIZING — AVAILABLE IN S, M, L AND XL: S fits 21–23 in. waist (40–60 lb), M fits 23–26 in. (60–85 lb), L fits 26–28 in. (85–115 lb), XL fits 28–30 in. (115–140 lb). Built from a stretch poly-spandex blend. Machine washable; tumble dry low for an easy weekly parent rotation. Built from durable microfiber that holds up to repeated wash-and-wear, school-year use and active rotation. A foundational youth underwear pack that pairs with athletic shorts, school uniform pants, weekend activewear and the daily kid rotation.

• QUICK-DRY MICROFIBER BUILD: Soft, stretchy, quick-drying microfiber material keeps kids cool and dry through school days, sports practice, recess, weekend play and active everyday wear. Dries fast after the wash so the weekly rotation keeps moving through busy school weeks.
• TAGLESS WAISTBAND + SMOOTH STITCH: A plush-soft tagless waistband and super-smooth stitching deliver superior comfort against the skin — no scratchy tags, no rough seams, no bunched waistband. Built for school days, sports practice and active play.
• NO-RIDE-UP CONSTRUCTION: A no-ride-up construction stays in place through running, jumping, climbing, sports practice and full days of active play. Engineered for kids on the move without re-adjusting through the day.
• 4 PAIRS COVER A SCHOOL WEEK: Four pairs cover a full school-week rotation of active and everyday wear — enough for school days, practice days, sports rotation and weekend play across the weekly parent laundry cycle. Soft, stretchy fabric built for repeat wash and wear.
• SIZING — AVAILABLE IN S, M, L AND XL: Four sizes covering youth waist 21–30 in. (40–140 lb). Stretch poly-spandex blend. Machine washable; tumble dry low for the weekly parent rotation.