NEW U.S. JERSEY MOCK TURTLENECK ON SALE this weekend only! Normally priced at $8.99. The turtlenecks are very high quality and extremely warm. Made from a moisture wicking blend of materials that is tightly stitched, stretchy & soft to the touch. These undershirts are worn by U.S. Military. Made of 66% nylon, 19% Polyester, and 15% spandex.