The signature Sankaty Polo is made from a soft performance fabric packed with great features and benefits, like UPF 30 sun protection, built-in stretch and moisture wicking. Features: 92% polyester, 8% spandex. Lightweight performance fabric. Classic, relaxed fit. Built-in stretch for comfort and movement. UPF 30+ protection for long days in the sun. Quick-drying and moisture wicking. Wrinkle resistant. Built-in interior collar stays. Whale logo embroidered on chest. 3 button placket. Machine wash.