A crew neckline is a popular style of clothing that has a round, close-fitting collar that sits high on the neck. This neckline is versatile and can be used for a variety of garments, including T-shirts, sweatshirts, and sweaters. However, if you're looking to mix things up and add some variety to your wardrobe, there are a few other options you may want to consider. For example, a boat neckline is similar to a crew neckline, but it has a wider, more open collar that sits slightly lower on the neck. Alternatively, a scoop neckline is a deep, U-shaped collar that shows a bit of skin and is perfect for those who want a more daring look.