Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Cotton Mesh Polo - This sporty polo shirt is crafted from soft cotton mesh and features our signature Big Pony and an embroidered crest. Ribbed polo collar. Two-button placket. Short sleeves with ribbed armbands. Applied twill "3" patch at the right arm. Uneven vented hem. Our signature embroidered Big Pony accents the left chest. Embroidered crest at the right chest. 100% cotton. Machine washable. Imported.