Adidas Y-3 Clothing Collection. A zip placket and contrast collar enhance the spare, minimalist feel of this Y-3 polo shirt. It's made of organic cotton and finished with an embroidered Y-3 logo in back. Embroidered Y-3 logo. Regular fit. Main: 100% organic cotton piquÃ© 175 g. Collar and zip placket: 100% cotton 105 g. Matte coated zip. Composition:Â 100% Organic cotton.