Propper Men's S/S Uniform Polo Propper Men's Uniform Short Sleeve Polo is budget friendly, best selling polo is a great option for an entire team's uniforms. The Uniform Polo from Propper features performance polyester that dries quickly and withstands fading, shrinking, and wrinkling. The Propper Short Sleeve Uniform Polo has a classic fit with a professional appearance and is available in a number of colors and sizes.