US Polo Assn Baseball Cap. The US Polo Assn. Baseball Cap is a sporting piece to complete any outfit. Made from 100% cotton with an adjustable touch and close fastening for an easy and personalised fit. Featuring the embroidered double horseman for the USPA stamp of authenticity.Men's baseball cap6-panelBuckle fasteningEmbroidered logoU.S. Polo Assn. branding100% cottonClean with damp cloth