The Heavy Bag Waffle Short Sleeve in Olive from Taylor Stitch 14-oz. 52% Upcycled Cotton, 48% Recycled Polyester. Custom developed thermal based off our favorite vintage "seed stitch" thermals. Ribbed neckline and arm opening. Tailored fit, please size up for looser fit. Pre-shrunk Wash cold and tumble dry low. Made in China. Model is 5'10", wearing a Medium.