Upgrading smart casual ensembles, this Casablanca Mini Wave Polo Shirt is knitted from a merino wool fabric. Designed with long sleeves for a touch of refinery, look out for contrast trims and an all over wave print. 100% Merino Wool, Classic Collar, Button Placket, Ribbed Trims, Casablanca. Casablanca Men's Mini Wave Polo Shirt Navy / Green.