Whether you're waiting for tarpon or a Cuban sandwich, the Patagonia Cayo Largo Long Sleeve Shirt will keep you cool and comfortable. A blend of organic cotton, nylon and hemp make for a super lightweight shirt that breathes. The shirt features two chest pockets with button closure and a zip-secure pocket hidden behind the left chest pocket to keep essentials safe above the water line. A shirt tail hem gives the Cayo Largo everyday versatility. Superlight, Breathable, Two Pocket with Button Closure, Zip-Closure Utility Pocket Behind Left Chest Pocket, Material: 69% Organic Cotton / 25% Nylon / 6% Hemp, Warranty: Lifetime, Closure Type: Button Up, Type: Shirt, Material: Cotton/Synthetic Blend, Wicking Properties: Yes, Sleeve Type: Long Sleeve, Recommended Use: Fishing, Sun Protection: Yes, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2018, Product ID: 469424, Model Number: 52125 MFRB M, GTIN: 0889833667044