backpack mini fridge MIER Insulated Cooler Small Lunch Bookbag for Women Men, Black Versatile Storage Capacity Mini Fridges & Cooler Bags:

even though the REI Tarn bags technically have the same volume capacity as these Osprey bags, at 12 and 18 liters, respectively, some of that volume is consumed by a water bladder in the REI bags, if you choose to use one

The straps are wide, flexible, and comfortable around the shoulders and feature foam with integrated ventilation

And with the option to configure it in flap or roll-top mode, you have some flexible expandability available too

The top-loading design features a zippered lid pocket with center buckle closure and drawcord access, making it easy to pack layers, trail snacks, and daily essentials

One of the bonuses of Luzon 24L is the extra capacity