T-shirts are part of the casual top wear of men and women are usually made in cotton and round necked. T-shirts make for comfortable casual wear and are also called tee-shirts or tees cause of the T shape body and sleeves. The round neck is also referred to as a crew neck.
T-shirts are comfort wear teamed with jeans, shorts and closed shoes although people choose to experiment with the traditional style. T-shirts are also available in V-necks as well as in other materials besides cotton.