black military backpack laptop MOLLE Backpack, The laser cut MOLLE webbing keeps your gear close as you build out your bag as needed and minimizes weight Expedition | Black 35L Multi-Compartment

The biggest downside is that the gear storage eats into the cooler's capacity, giving these packs limited appeal for group outings and other situations when you need to keep a full days worth of food and beverages cold

Wired2Fishs Kyle Peterson shares more info in this Tip-Ups 101 video

This feature also allows you to use it on bathroom sinks

We like a pack to have a large opening with one or two internal compartments, and then a couple of external zippered pockets

Need the full method guide

We set our beastly industrial Dutch and German sewing machines to stitch the backpacks at only five stitches per inch so we could get the needle holes as far apart from each other as we can without the backpacks looking dumb