Seamless double needle collar Taped neck and shoulders for durability Double needle sleeve and bottom hem Tubular fit for minimal torque 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.