This versatile fishing and travel shirt is loaded with features and made of a lightweight, fast-drying 100% recycled polyester ripstop fabric with 50+ UPF sun protection for cool-wearing comfort in hot and humid conditions. Fair Trade Certified(TM) sewn. Made of ultralight, breathable and quick-drying 100% recycled polyester with 50+ UPF sun protection Double-layer collar converts to stand-up collar for additional sun protection; stays put with hidden snaps at collar points Two large chest pockets with corrosion-resistant zips accommodate fly boxes; tool dock near right pocket Button tabs keep sleeves rolled up Back-yoke venting for improved airflow and comfort Hidden lens cleaner at hem keeps optics clean Weight 7.4 oz