These Under Armour® pants will be his new favorite warm-up pants for pretty much everything he does—they're light, comfy and have a tapered fit for a clean look. Smooth tricot knit exterior with a brushed interior for soft comfort & warmth. Material wicks sweat & dries really fast. Encased elastic waistband with external drawcord. Open hand pockets. Main body fabric contains at least 90% recycled polyester, excluding trims & embellishments. Imported Material & Care 100% polyester Machine washable