best 20l travel backpacks 2017 Inateck 17-20L Expandable Carry on Laptop Backpack for Airline Approved, Splash-resistant 3-Way Cabin Luggage for Low-cost/Budget Airlines, Compatible with 14-Inch Laptops, Black : Electronics Matching Backpack & Lunch Box Herschel Supply Co. | Color:Street Ripstop and hidden pockets

best 20l travel backpacks 2017 Inateck 17-20L Expandable Carry on Laptop Backpack for Airline Approved, Splash-resistant 3-Way Cabin Luggage for Low-cost/Budget Airlines, Compatible with 14-Inch Laptops, Black : Electronics Matching Backpack & Lunch Box Herschel Supply Co. | Color:Street Ripstop and hidden pockets

Herschel Supply Co. | City Backpack | Ivy Green Diamond | WildBounds UK

However, it's worth noting it is made of high-end Gore-Tex Windstopper, which is designed to be water-resistant, not waterproof

Matching Backpack & Lunch Box

Color:Street Ripstop

Our favorite UL model in Zpacks’ collection is the two-person Duplex, which checks in at a scant 1 pound 4.1 ounces (with the thicker canopy fabric, no stakes, and using two trekking poles for support) but includes a bathtub floor for protection (many other UL options are floorless) and a fairly generous 48-inch peak height

and hidden pockets