International carry-on approved. Theft-deterrent zipper pulls. Protected luggage tag holder. Luggage pass-through for roller bag carry. Padded shoulder straps stow under magnetic flaps for worry-free bag-checking. Huge rear access via burly #10 UltraZip. Expansion zips for fitting more or compressing your load. External carry straps stow beneath a magnetic flap. Hugely expandable side pockets for water bottles, tripods, and more. Large soft-lined zippered top pocket with pockets for keys, glasses, passport, etc. Internal zippered mesh pockets Padded, dedicated laptop and tablet sleeves Excellent design and quality. I wish I could keep it but I got it the wrong size and it is too big for me. EXTERNAL DIMENSIONS Standard: 56cm x 33cm x 24cm (22" x 13" x 9.5") Compressed: 56cm x 33cm x 24cm (22" x 13" x 9.5") (compression only happens at the top of the bag. 6" at top when compressed) Expanded: 56cm x 33cm x 29cm (22" x 13" x 11") INTERNAL DIMENSIONS Standard: 53.3cm x 33cm x 16.5cm (21" x 13" x 6.5") Compressed: 53.3cm x 33cm x 14cm (21" x 13" x 5.5") Expanded: 53.3cm x 33cm x 19cm (21" x 13" x 7.5") CAPACITY Standard (max carry-on): 35L Compressed: 30L Expanded: 45L **Very gently worn, only used it once and it has very minimal wear. I don't original box but will ship it very protected.