Superior sun protection and performance quality. Featuring UPF +50 solar protection, the Silverking Outfitter's Snook & Mangroves Long Sleeve Performance Fishing Shirt is lightweight, comfortable, and sure to keep the sun’s rays from penetrating through to your skin. The fabric is eco-friendly yarn made from recycled bottles and features moisture wicking technology. This is one of the most comfortable performance shirts available for the serious angler.