Natural Gear Duck Grass Long Sleeve T-Shirt - Brown Heather. Comfortable and cozy for cooler days, this long sleeve t-shirt is made with superior quality jersey and finished with a ribbed cuff. Pre-shrunk 100% combed ring-spun cotton 4.2 ounce super soft 30 single jersey knit. Set-in cover stitched collar. 2" ribbed cuffs. Cover stitched bottom hem. Custom contoured fit. Side-seamed.