Personalized Field Engineer Military job Long Sleeve T-Shirt. Field Engineer Long Sleeve T-Shirt - White job shirt for a military combat engineer. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL