Polo Ralph Lauren Ladies Undergarments. Fashion category - Socks. SKU - 449P02155006. Barcode - 3616853783563. Color - Grey. Polo Ralph Lauren Womens No-Show Liner Sock. Crafted from a comfortable grey 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.