Jack Adams Air Train Trunk designed with a horizontal fly for quick access with nature calls and a contoured pouch to nestle the boys for support. The fabric is micro Lenzing Modal that offers the finest comfort, breathability and hugging form. Made of 95% Lenzing Micro Modal and 5% Elastane Royal, XLarge. Chest: 44in.-47in. Neck: 17in.-17.5in. Waist: 36in.-38in.