HeatGear® Armor is our original high-performance base layer - the first thing you put on and the last thing you take off. That's why we made it super comfortable with a stretchy, breathable construction, so you can move freely in any conditions. Ultra-light HeatGear® fabric offers excellent coverage without weighing you down Mesh panels for increased ventilation in strategic places The material absorbs sweat and dries very quickly The ergonomic design features seams away from the areas most subject to abrasion and offers greater resistance Wide elasticated waistband and visible branding Improved gusset design provides excellent comfort and support Strength Pocket™ pouch pocket on right side for easy access