Starting up in 2005, XGO has quickly redefined and revolutionized every aspect of layer-based apparel. Designed for protection, comfort, performance and durability, XGO clothing acts as the first layer of defense in any operating environment. The company’s Phase layering system utilizes four levels to keep wearers comfortable and combat-ready in climates from 60 °F to below 20 °F. All XGO garments are tested in theater by the U.S. Armed Forces to ensure they exceed expectations and function perfectly. Each item is manufactured in the USA from innovative, high-quality materials for the very best in mobility, moisture management and breathability. Athlete-inspired and military-tested, XGO clothing offers peak performance at the highest level.