Boarding goes smoother when the passport and charger stay at the seat, and the Kayda Travel 45L Backpack makes that possible with a Travel Kit that detaches in seconds. The kit works as a second bag for a tablet, keys, pens, and snacks, so the main travel backpack can go overhead without a rummage through it mid-flight. The body uses durable 900D polyester and 1680D ballistic nylon, which keeps the pack ready for a week of airports, shuttles, and gear rooms. What Our Gearhead(R) Experts Are Saying:"Boots and a laptop shared one carry-on without a fight because the laptop sleeve is its own pocket, so the boots never press on it. The ventilation grommets gave damp boots a way to vent, so moisture did not settle into the clothes. Boot shape still decides the fit, so I try a bulky pair at home before trusting this as my only bag."