The Long Sleeve Base Layer Shirt by Ironclad Performance Wear is a necessity for any hard working individual! It is loaded with features to make working more comfortable! The moisture wicking fabrics in this awesome shirt take away moisture six times faster than cotton does, so you will stay dry and comfortable. This Performance Wear shirt also features and odor neutralizing agent that is engineered right into the fabric, so you are ensured of the odor free benefits throughout the life of the garment. Available in military approved colors marine olive drab and desert sand; also in black, white, concrete, yellow, navy, brown, and digital camo.