Definition & Meaning of "turtleneck collar"

What is a "turtleneck collar"?

A turtleneck collar, also known as a roll neck, is a type of collar that extends up the neck and folds over to create a cylindrical shape around it. This type of collar is commonly found on sweaters and knitted garments and can provide warmth and comfort during colder months. The height of the collar can vary, with some extending up to cover the mouth and nose, while others are shorter and less restrictive. Turtleneck collars can add a sophisticated and stylish touch to an outfit and can be worn in a variety of settings, from casual to formal.