Here's what other sites are saying:
Make a good paddle session even better in the water-ready fabric and sun protection of the men's Mysterioso Relaxed Fit rashguard. Perfect for you if you prefer a loose fit, this rashguard keeps you comfortable in the water whether it's wet or dry. Fabric provides UPF 50+ sun protection, shielding skin from harmful ultraviolet rays. Quick-drying fabric is comfortable and soft against your skin. Raglan sleeves and underarm panels let you move freely; flatlock stitching prevents chafing. Hand wash the Mysterioso Relaxed Fit Rashguard in cold water and lay flat to dry.
- REI refers to the men's version