You can shop here a set or single piece undergarment from some top brands as per your requirement and preference. Under Armour offers a plethora of products ranging from clothes to headphones and watches. The brand is immensely popular amongst power athletes who strive for perfect outwear clothes for training and important sporting events. Add sexiness to your look with many shades of Gray. Choose your Under Armour Gray Underwear for men made from wide varieties of material such as Polyester, Blend and Mesh Fabric. Each material provides different look and feel of Under Armour Men Underwear.