Polo Ralph Lauren Ladies Undergarments. Fashion category - Socks. SKU - 449P02155005. Color - Black. Polo Ralph No-Show Liner Socks. Crafted from a comfortable stretch-cotton blend, these Polo Ralph Lauren no-show liner socks offer a sleek, low-profile fit that stays hidden beneath your footwear. They feature a practical no-slip heel grip to ensure they stay securely in place throughout the day, while the signature embroidered pony logo adds a touch of classic heritage. 64% cotton, 17% polyester, 16% nylon, 3% polyurethane.