Stone Island Polo Shirt Slim Fit in Aqua. More streamlined than your standard polo shirt, this slim-fitting Stone Island iteration is brought to life in a vibrant tone of turquoise, complete with twin tipped accents at both the collar and cuffs. The short-sleeved design is made in cotton piqué, offering the wearer enhanced breathability and a stretchy construction that\'s fully flexible. The iconic compass logo sits to the chest for a signature touch of casual styling.