Joules Women’s Elvina Button Through Blouse Tree Navy Ditsy. The Elvina Button Through Blouse is the perfect new addition for your wardrobe that you can wear for seasons. The Elvina Blouse is crafted from LENZING⠢ ECOVERO⠢ which is lightweight and easy-fitting making it the perfect Blouse for any occasion. It features a curved hem for a relaxed, untucked style and two patch pockets on the chest. LENZING⠢ ECOVERO⠢ fibers are derived from sustainable wood and pulp, com-ing from certified and controlled sources following the stringent guidelines of the Lenzing Wood and Pulp Policy.