All-day sun exposure can be easily handled by the Patagonia Boys Long-Sleeved Silkweight Rashguard. The full-coverage sun shirt is made from a lightweight blend of 94% polyester (35% recycled) and 6% spandex with 50+ UPF sun protection and Polygiene permanent odor control. Rib-knit collar for easy on/off. Straight sleeves feature angled side panels that extend through to eliminate underarm chafing. Slight drop-tail hem for additional coverage. Flying fish graphic on center back.Features:Lightweight fabric blend with 50+ UPF sun protection and Polygiene permanent odor controlFabric is bluesign approved Rib-knit collar for easy on/off Raglan sleeves Angled side panels extend through sleeves to eliminate underarm chafing Flying-fish graphic on center back Fair Trade Certified sewingFabric: 94% polyester (35% recycled)/6% spandex See "Overview" below fo