Thumbs up for our UPF 50+ rashguard top! Thumb holes at the end of sleeves for complete arm coverage. A touch of stretch makes it a comfy splash-all-day must! - UPF 50+ - outer: 85% recycled polyester / 15% elastane - lining: 93% recycled polyester / 7% elastane - fitted shirt ...Thumbs up for our UPF 50+ rashguard top! Thumb holes at the end of sleeves for complete arm coverage. A touch of stretch makes it a comfy splash-all-day must! - UPF 50+ - outer: 85% recycled polyester / 15% elastane - lining: 93% recycled polyester / 7% elastane - fitted shirt with raglan love sleeve + thumb holes - mandarin collar + half zip in front - machine wash cold; tumble dry low Not made with organic fabric.