This is a set of 5 GU Style Dry Mesh V-neck T-shirts (sleeveless). I ordered the wrong size and color, so I am selling them. One of the five has been opened, but I have not worn it at all (see photo 4). These sleeveless T-shirts are made with recycled polyester and feature moisture-wicking, quick-drying, and cooling functions. - Moisture-wicking and quick-drying: With moisture-wicking and quick-drying functions - Material: 90% polyester (recycled polyester), 10% polyurethane - Cooling function: With contact cooling function - Easy to move in: Made of stretchy material for easy movement Thank you for looking.