A sleeveless sweater, also known as a tank top or a vest, is a type of sweater without sleeves. It is typically made of a lightweight material, such as cotton or linen, and is worn in warm weather.
Sleeveless sweaters are versatile and can be dressed up or down. They can be worn with a variety of bottoms, such as jeans, skirts, or shorts. They can also be layered under a jacket or coat in cooler weather.