This button-up shirt is comfortably lightweight, yet still provides excellent sun protection with a UV protection factor of 40. A great choice when you want to avoid excessive use of sunscreen. The Bluesign-certified AirExchange fabric efficiently wicks moisture, making it an excellent option for travel and as a go-to summer shirt. The sleeves can be rolled up and secured with a strap on the upper arm. Since the fabric dries quicklynot just from sweat but also after washinga quick hand wash in the evening ensures a fresh start the next morning while on the road. - Relaxed, slightly roomier fit - Flatlock seams for comfort - Collar can be adjusted for extra protection - Roll-up sleeves - Straight hem - Hanging loop This product does not contain PFAS compounds.