This is an official limited-edition US Open short-sleeved tennis polo.It's designed for a trim, modern fit in breathable cotton for signature comfort and athletic style.It has two-button placket, ribbed polo collar and ribbed armbands, even vented hem with interior grosgrain trim. There is an embroidered Big Pony accents the left chest and applied "US Open 2010" patch at the right sleeve. Material: 100% cotton. Washing Mode: Machine washable.