John Muir, a Scottish American naturalist, preservationist, and explorer, was the first to coin the phrase "The mountains are calling and I must go", in a letter to his sister in the late 1800's. This t-shirt depicts a hand drawn design, created by Dwight Carter that brings John Muir's words to life. Express your love of mountains by wearing a t-shirt that feels soft and lightweight, with the right amount of stretch. It's comfortable and flattering for both men and women. • 100% combed and ring-spun cotton (heather colors contain polyester) • 100% combed and ring-spun cotton (heather colors contain polyester) • Fabric weight: 4.2 oz (142 g/m2) • Pre-shrunk fabric • Shoulder-to-shoulder taping • Side-seamed