ECOHUB Travel Backpack 18x14x8 Spirit Airlines Personal Item Bag Carry On Backpack 13 Pockets Large Work Casual Daypack for men Airline Approved Waterproof Gym Backpacks with Charging Port, Pink

I'm also 5' and bought an EcoHub backpack for my international trips last year. This is a budget bag $35 and while it doesn't have padding, it was surprisingly comfortable. I ordered a bunch of backpacks off Amazon to compare, and the placement of these pockets worked out the best.