Full Custom Sports And Work Apparel Custom Sportswear Playing Kit. For custom sublimated polo shirts and sublimation polo shirts, Valkout Apparel uses fabric that is 100% polyester and has a weight of 140gsm or 160gsm. the fabric that lets air flow while keeping moisture out. We make polo shirts with your logo that have a stand-up collar with a 1/4 zipper, a polo collar with a 1/4 zipper, three buttons up, two buttons up, and a full button down. For both custom designed polo shirts and sublimation polo shirts, we make use of the CMYK and pantone color systems. Additionally, we can send you a fabric color swatch of our company for your reference, from which you can select the appropriate color for your own sublimation polo shirts. To guarantee that the color meets your specifications, we always follow a strict procedure.