Lorpen Micromodal Uniform/Duty Socks, Black, Medium 75% microModal/ 15% Nylon/ 10% Lycra Imported The "dreamy" sock - perfect for working or working out. Micro modal is a very soft, super fine cellulose yarn made from beech trees grown on certified sustainable farms. Flat knit toe seam: its expensive to make toe seams with this special stitch, but we think it delivers a superior seam that is virtually impossible to feel. 10% of the overall yarn content is knit with real Lycra yarn from Invista. Instep cross brace. X marks the spot of our Lycra cross brace that hugs the sock to the top of your foot, ensuring a very sensitive area remains wrinkle free.