The First Layer of Defense. Athlete Inspired. Military Tested. XGO is the military & government brand of Longworth Industries. XGO, under Longworth Industries, is a vertical manufacturer of high performance, moisture-wicking, anti-microbial next-to-skin garments and accessories in flame retardant and non-FR categories. XGO gear is 100% Made in the USA and Berry Compliant. Our fabrics are engineered for next-to-skin comfort, technical performance and durability. As a vertical manufacturer we have demonstrated unparalleled execution times and efficient, flexible production capabilities. XGO continues to meet the changing market conditions and environmental applications.