Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Custom-Fit Cotton Uniform Polo - Essential for school uniforms, this trim-fitting long-sleeved polo shirt is crafted from soft cotton mesh and features our tonal signature embroidered pony. Ribbed polo collar. Two-button placket. Long sleeves with ribbed cuffs. Uneven vented hem. Our tonal signature embroidered pony accents the left hem. 100% cotton. Machine washable. Imported.