Croker Ireland Navy Panelled Performance Rugby Jersey - Polyester Athletic Polo Shirt IRISH PRIDE | Traditional Polo with Croker embroidery detailing to the chest. HIGH PERFORMANCE | This polo features 100% polyester breathable, moisture management material. MODERN FIT | Cut for a more stylish and contemporary look. STYLE | The perfect shirt for on and off the field with a bold green and navy design. SUPERIOR PRODUCTS | The Croker Brand combines unique Irish designs with high quality fabrics to achieve a distinct range of Irish clothing.