You won’t find this shirt anywhere else! This comfy, light blue t-shirt features the first ever water-tight diving armor, Iron Duke. Built in 1913 in Hagenuk, Germany, Iron Duke salvaged over 10 tons of silver and 5 tons of gold from the wreck, The Egypt. What could possibly be a better conversation starter than a t-shirt exhibiting not only the first single atmosphere dive suit, but the suit that was used in the greatest treasure salvage of all time?! Short sleeves, Tagless, 100% cotton, unisex    Color: Light Blue   Specify Size: S, M, L, XL, XXL, XXXL.