For work or bedtime, the Ultra Cotton Adult Long Sleeve T-Shirt combines just the right amount of thickness with just the right amount of move-around roominess. This is the shirt you’ll want when life calls for casual comfort and subtle style. Gildan is one of the world's largest vertically integrated manufacturers of apparel and socks. Gildan uses cotton grown in the USA, which represents the best combination of quality and value for Gildan cotton and cotton blended products. Gildan environmental program accomplishes two core objectives: reduce our environmental impact and preserve the natural Resources being used in our manufacturing process.