Jaco "The Henley" Long Sleeve Shirt - Gray/L 8% spandex This garment is made with 43% Rayon From Bamboo, 31% Bamboo Charcoal, 18% Cotton, and 8% Spandex Bamboo Plants grow quickly, do not require fertilizers or pesticides, release more oxygen into the atmosphere than trees and are self replenishing, making them 100% sustainable and earth friendly This shirt is embellished with 100% water-based inks which are environmentally friendly and are designed to soak into the shirt to become part of the cloth itself; making them breathable, durable, and comfortable This shirt style is cut to a Slim-Fit. The fit is tighter than a regular shirt as the body and arms are cut narrower. Consider sizing up if you prefer a looser fit Care: Machine wash cold, tumble dry low, do not bleach