These t shirts are typically made of lightweight, breathable cotton fabric. This Long sleeve t-shirt can be worn on its own or as a layering piece under other clothing items, such as jackets or sweaters. It is a versatile clothing item that can be dressed up or down depending on the occasion, and commonly worn for both casual and formal events. The fit can vary from loose and relaxed to fitted and tailored, depending on the style and preference of your choice.