NSF Lani Turtleneck in Ivory. Size L, S, XS. 49% viscose 49% poly 2% spandex. Made in USA. Machine wash. Turtleneck styling. Rounded hem. Ribbed knit fabric. NSF-WK104. 20404-WSN. Based out of California, NSF has caught the eye of many. With their clean design and boyish charm, NSF is recognized for its relaxed, modern style looks.