crewneck
/ˈkruːnɛk/
noun
- A style of neckline on a shirt or sweater that is round and fits closely around the neck, without a collar.
- Crewneck T-shirts are more comfortable for me than collared shirts.
- She bought a pack of crewneck sweatshirts for the camping trip.
- He wore a simple crewneck sweater to the casual dinner.