Under Armour Armour Fleece® Joggers Men's. Armour Fleece® is our original performance replacement for old-school fleece. It's light, incredibly warm, and has just the right amount of stretch. > Armour Fleece® is light, breathable & stretchy for warmth that still lets you move > Soft inner layer traps heat to keep you warm & comfortable > Encased elastic waistband with internal drawcord > Open hand pockets & right-side back pocket