best backpacks for 15 inch laptops WENIG Anti-Theft Travel Laptop Backpack with USB Charging Port Lock,Water Resistant Slim Work Computer Bag Men College Bookbags Fits 15.6 Colour:Light Brown crossbody bag nylon Kohls Jansport Big Student

best backpacks for 15 inch laptops WENIG Anti-Theft Travel Laptop Backpack with USB Charging Port Lock,Water Resistant Slim Work Computer Bag Men College Bookbags Fits 15.6 Colour:Light Brown crossbody bag nylon Kohls Jansport Big Student

Kohls Jansport Big Student - JanSport Cool 15 Inch Laptop Backpack Classic Bag Foraging Finds

And this may be personal preference, but I also wish the top of the pack was expandable, which would make it more versatile for more types of trips, because I had it packed FULL for a two-day winter trip

crossbody bag nylon

Colour:Light Brown

The bag is spacious enough for your tumbler, yes