Viola Polo (Turtledove)rag & bone Viola Polo (Turtledove) Viola Rag & Bone 60% 40% : Turtledove The Viola. Crafted with a striped cotton nylon open knit, our update to the classic polo is equal parts cool and refined. This slim fitting style is finished with a bottomless placket and short sleeves that hit at just the right spot. 60% Cotton 40% Nylon Color : Turtledove Slim fit Knitted detail Short sleeve Front buttons