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