Alpha 2 Double Expansion Travel Satchel Earl Grey. TUMI elevates your travel experience with Alpha 2â the pinnacle of our design innovation, engineering, functionality and performance. This exceptional strong travel satchel, made from TUMI's signature FXT ballistic nylon®, offers an impressive 13of expanded depth to maximize your packing capacity when you need it most. A generous front pocket allows you quick and easy access to key essentials on the go. It's the one to grab for long weekends.