Turtleneck Sweaters Gap Turtleneck Sweaters Gap Gabriela Hearst Peppe Ribbed Cashmere Turtleneck Neiman Marcus Russel ribbed knit turtleneck sweater in red Gabriela Hearst Mytheresa. Introducing the modern turtleneck sweater a must have addition to your wardrobe. This versatile piece seamlessly transitions between casual and tailored styles. With a regular fit designed for easy layering, it features a high ribbed collar that can be folded down for a more relaxed look. Crafted from a luxurious cashmere and wool blend, it's both lightweight and warm, making it the ideal choice for the autumn to winter transition.