New. Order your The Sea is Ours - US Navy t-shirt from army surplus world today. The Sea Is Ours US Navy t-shirt has a large logo on the back of the shirt and a small left chest logo on the front of the shirt. The Sea Is Ours Navy t-shirt is printed on a 6.0 oz., heavyweight, 100%cotton, preshrunk t-shirt. These are not paper - thin cheap shirts. The Seas is Ours US Navy t-shirts are double-stitched with tapered neck and shoulder seams for added comfort and durability. The graphics on the US Navy shirts are crisp and clean with the promise of years of proud service. Order all your US Navy Shirts from army surplus world today.