Men's T-shirt 4F The 4F sports shirt for men is designed for running in various conditions. Material: 100% polyester. 4FDry technology features quick-drying fibers that effectively wick moisture away from the skin surface. The perforated material increases breathability and supports air circulation. The durable synthetic material is resistant to damage and easy to care for daily. Reflective elements improve visibility after dark and increase safety. The regular fit ensures comfort with a classic cut that fits well and does not restrict movement. The hip-length standard cut guarantees comfort in every situation. Soft, flat seams minimize the risk of abrasions and improve wearing comfort.