best 45l convertible travel backpack Peak Design 45L, Black, Expandable 35-45L Design, Rear and Top Access, Weatherproof Shell, Laptop Sleeve, Ideal for Travel or Everyday Carry, Versatile Backpack for Men and Women: Clothing, Shoes The North Face Backpack Color:White Dune Leaf Toss Print Travel smarter and lighter Color_Family_Clear

best 45l convertible travel backpack Peak Design 45L, Black, Expandable 35-45L Design, Rear and Top Access, Weatherproof Shell, Laptop Sleeve, Ideal for Travel or Everyday Carry, Versatile Backpack for Men and Women: Clothing, Shoes The North Face Backpack Color:White Dune Leaf Toss Print Travel smarter and lighter Color_Family_Clear

The North Face Backpack Borealis - green (optic emerald/tnf black)

The bag features a front zipper pocket, pink leather trim, a canvas top handle, and adjustable pink nylon shoulder straps with aged silver hardware

Color_Family_Clear

Color:White Dune Leaf Toss Print

To compare the two, I brought both bags with me on a week-long trip to New Brunswick

Travel smarter and lighter with Gonex ultralight nylon backpack