The Patagonia Tidal Shirt brings lightweight summer comfort and a tropical look with soft TENCEL lyocell twill. It's designed for warm, humid climates and finished with coconut buttons and a print-matched chest pocket. Key attributes: Blue | Blu | TENCEL lyocell twill | Lightweight | Breathable | Soft natural drape | Button-front with coconut buttons | Left-chest pocket | Fair Trade Certified production | Short sleeves | Notched collar | Print-matched chest pocket | Straight hem with side vents | Dimensions & fit: Regular fit | Composition & care: 100% TENCEL lyocell twill | Machine wash cold gentle cycle, do not bleach, tumble dry low, warm iron.