22 inch Luggage Works plus half size pro gear roller bag that can latch on the back. CPAP slides onto the Luggage works handle nicely. 1 extra uniform, 3 Undershirts, 3 T-shirts, Sweats, Dress cargo pants x 2, 3 Collared Shirts, Swim trunks, 1 Pullover Fleece, 7 pairs of socks, etc. Toiletries, hat and 3 backup masks of course. Laundry in Anchorage, Hong Kong, Germany, Kuwait when able.