Tencel Twill: 50% Tencel (derived from wood-pulp) / 50% Polyester. A ladies' tailored, set-in-sleeve, longsleeve, collared full-button with wide four-button cuffs, scooped hemline and a contoured silhouette to flatter and fit. Made from Tencel, an ECO fabric derived from wood-pulp, it features sturdy double-needle stitching and sophisticated styling. This item is bluesign® safety; every component of this product meets the highest environment, health and safety standard.