The Aquatek is an ultra-soft and comfortable fishing shirt great for all conditions in the sun. Featuring 50 UV protection, quick dry 4-way stretch fabric with water and; stain repellency and strategic ventilation for airflow. 50 UPF Protection Vented For Air Flow Ultra Soft Fabric Quick Dry Water and; Stain Repellent 4-Way Stretch Recycled Fabric Material:100% Nylon