Under Armour Kids Mens Original Series Boxerjock 2-Pack (Big Kids) Elastane^Polyester Imported Under Armour Boys' Size Chart Forget those old boxer briefs that bunch up, wear out, or lose shape. This brand is a member of the Sustainable Apparel Coalition. Lightweight, smooth HeatGear&#174; fabric provides superior comfort and breathability. 4-way stretch fabrication allows greater mobility and maintains shape. Signature Moisture Transport System wicks sweat away from the body. Anti-Odor technology prevents the growth of odor causing microbes. Smooth, chafe-free flatlock seam construction. Performance waistband. 2 boxer briefs per pack. 90% polyester, 10% elastane. Machine wash cold, tumble dry low. Imported. Measurements: Waist Measurement: 26 in Outseam: 12 in Inseam: 4 in Front Rise: 9 in Back Rise: 13 i