This lightweight layering Beechcraft piece is the perfect addition to your wardrobe. It is made of 5.3 Oz, 90% polyester/10% spandex French terry knit fabric and the Opti-Dri technology transfers moisture away from the body. Opti-Shield technology creates a layer of UPF50 protection. Opti-Stretch moves with you to increase your range of motion. It features 1/4-zip with contrast binding detail at shoulder and cuffs.