Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Performance Mesh Polo Shirt - Crafted from a moisture-wicking blend, this sporty polo shirt features a stripe at the center front and back and our signature embroidered pony. Contrasting ribbed polo collar. Two-button placket. Short sleeves with ribbed armbands. Horizontal stripe at the center front and back. Even vented hem with interior contrasting trim at the vents. Our signature embroidered pony accents the left chest.