The Muir Woods Treeline T-Shirt features the iconic treelines of coastal California in vintage style. With each shirt sold, Parks Project makes a donation to support the cultivation and care of one native plant. Raised in conservancy nurseries, the plants are moved to restoration sites by community volunteers in an effort to create new habitat corridors for rare and endangered plants. Represent Muir Woods National Monument in this slim-fit t-shirt. Soft cotton blend, ideal for summer bike rides and outdoor concerts. Each shirt sold supports the cultivation of one native plant. Material: 100% cotton. Fit: slim. Style: crew. Recommended Use: casual.