Frank & Eileen Tops Frank Eileen Silvio Untuckable Buttonup Shirt Frank & Eileen Silvio Untuckable Button Up Shirt Nordstromrack Silvio, Untuckable Button Up Shirt, White Frank & Eileen Silvio, Untuckable Button Up Shirt, White Frank & Eileen. Silvio fuses modern Italian tailoring with California cool. The unique, fashion forward detailingan exaggerated back pleat, oversized envelope pocket, and petite square fitmeans all the styling is done for you. Curved shirttail hem Shaped like a petite square with center back pleat Oversized envelope pocket Signature bust flattering button placement and long sleeves with button cuffs