Forest Green Shirt in Virgin Wool and Lyocell This long-sleeve shirt, knitted from a balanced blend of 50% Lyocell and 50% Virgin Wool, combines durability with exceptional comfort. Lyocell, also known as "vegetable silk," is an eco-friendly material derived from wood pulp, renowned for its lightness and unmatched softness. Complete your look by pairing this shirt with a seasonal skirt. Forest green shirt. Long sleeves. Virgin Wool et Lyocell.