Travel Backpacks

Aer Go Pack 2 Review: A Minimalist Packable Day Pack That Punches Above Its Weight

A lightweight 20-liter packable day pack with premium YKK hardware, a huge front gear pouch, and travel-friendly design. Here's what stands out and what to check before buying.

Light grey minimalist nylon backpack standing on a concrete surface

Introduction

The Aer Go Pack 2 is a minimalist packable day pack that manages to squeeze a surprising amount of utility into a very small footprint. After several weeks of real-world testing, it stands out as a practical companion for travel days, city exploring, and as a spare bag that lives inside your carry-on. It keeps the weight and bulk low while still offering a large main compartment, solid small-gear organization, and premium construction. This review covers where it shines and where its minimalist approach asks for compromises.

Design and Fabric

The Go Pack 2 has a simple, sleek design, but Aer managed to fit a lot of features into it while keeping the weight extremely low. The fabric is a medium-weight 210 denier Cordura crinkle nylon with a slightly rough hand feel and a distinctive wave pattern that looks genuinely good. A water-resistant coating is applied, but note that this fabric is not waterproof.

Crinkle nylon fabric texture of a light grey backpack in close-up detail

One thing to be aware of with the lighter colorway is that it shows dirt a bit more than darker colors. The bag picked up visible staining after being set down in a football stadium. Cleaning is fairly straightforward: a scrub with a sponge and soap removed most of the stains, though a few of the more stubborn ones stayed put. If you want a bag that hides grime better, a darker color is worth considering.

Packability and Fit as a Personal Item

This bag is designed first and foremost as a packable day pack. Packed out, it measures roughly 17 by 12 by 7 inches deep, which easily qualifies as a personal item on most airlines. Despite the minimalist design, you get a large usable volume of about 20 liters, and it swallows that volume with room to spare once you count the front pocket and side water bottle pockets.

Flat empty backpack lying thin on a desk next to a rolling carry-on bag

Because it folds down really flat, the Go Pack 2 slides easily into a larger carry-on to serve as a day bag at your destination. It even nests nicely in the bottom of the larger Aer Travel Pack 3, although the bags were not specifically designed to fit together.

Hardware and Security

Aer does not cut corners on hardware. The main compartment uses large YKK number 8 zippers, and all the other pockets use smaller YKK number 5 zippers, matching the quality found on Aer’s full-size packs like the Travel Pack and Pro Pack. The top slash pocket also includes a locking brass mechanism: when the zipper pull is up it slides freely, but once you seat the zipper into the small housing and fold the pull down, the zipper becomes much harder to open accidentally. It is a small detail that adds a real layer of security for small valuables.

External Storage and Organization

The external features are where the Go Pack 2 earns its keep. There is a huge front gear pouch that spans the whole front panel, attached with an easy-to-remove magnetic buckle. It has no interior organization, but it is a great spot for easy-access items you are not worried about losing: snacks, a notebook, or a light jacket. The top slash pocket is standard sized for a small day pack and comfortably holds electronics and sunglasses, helped by that self-locking zipper.

The two side water bottle pockets work especially well. They use the same bag fabric with a stretchy cord so they lay flat when empty. Each side easily fits a 16-ounce slim water bottle, and the stretch expands enough to take a full one-liter bottle. They are also handy for stashing a travel umbrella or sunglasses. Finally, there is a luggage pass-through sleeve, a simple piece of nylon webbing. Unlike other Aer packs, it is attached horizontally, so when the bag sits on your rolling luggage handle you can still reach your gear much more easily.

What Fits Inside

The interior is a large top-access main compartment holding most of the 20-liter volume, with sensible organization: two dividers with a stretchy top on the front side, and on the back side a laptop sleeve plus a zippered pocket made from stretchy mesh. There is no frame sheet, so the bag stays flexible, but thanks to the internal laptop sleeve and the fairly thick, stiff fabric it stands up on its own and holds its shape well even when empty.

Overhead flat-lay of travel gear including packing cube, e-reader, and toiletry kit

In testing, the main compartment handled a packing cube with a change of clothes, sandals, minimalist electronics, an e-reader, a toiletry kit, a rain jacket, and a puffy jacket. Packing the cube and sandals toward the back gives the bag some structure, with bulky items layered on top. Fully loaded, the bag weighed about 3.5 kilograms or 7.7 pounds in that configuration. That is more than a typical day pack load, and it shows the bag can stretch to a minimalist overnight trip.

Laptop Protection

The laptop sleeve is decently sized and moderately padded, holding up to a 16-inch laptop, with a false bottom that protects the device when you set the bag down. But protection is bare bones: there is no padding on the front, the back uses thinner foam-backed mesh, and there is no side protection at all. If your laptop extends above the sleeve, that part is unprotected too. For short trips and careful handling this works fine, but if you want serious laptop protection, look at larger backpacks instead.

Carry Comfort and Limitations

The carry system is minimalist but sufficient for a packable bag of this size. The straps are fairly thin with a moderate amount of padding, and they attach via nylon webbing rather than being sewn directly into the bag, which lets the pack sit more flexibly on your shoulders. The back padding is modest but soft and very breathable.

Backpack shoulder straps and breathable mesh back panel shown in close-up

Comfort depends heavily on how you pack. Smooth gear packed against the back feels much better than lumpy items. Because it is only 20 liters, you cannot overload it, and as long as you keep the weight reasonable the straps are fine. What you give up: no adjustable sternum strap, no hip belt, and no load lifters. That is expected at this size and weight, but it is worth knowing before buying.

Buying Advice

The Go Pack 2 makes sense if your priority is a lightweight, packable day bag with premium construction at a reasonable price. It is especially appealing for travelers who want a personal-item-sized bag that doubles as a daily carry at their destination. Skip it if you need robust laptop protection, structured load-carrying features like a sternum strap or hip belt, or a fabric that hides stains well in the lighter colorway. Packing it carefully, keeping weight moderate, and using a darker color will get you the best experience from this bag.

Conclusion

The Aer Go Pack 2 is an excellent minimalist day pack. It combines a large-volume main compartment with good small-gear organization, large external water bottle pockets, a generous front gear pouch, and a locking top slash pocket, all while staying light and flat enough to live inside a carry-on. With premium hardware and construction at a reasonable price, it is an easy recommendation for travelers who value simplicity done well.

Product link

View more details for Aer Go Pack 2

This product is mentioned in the review. Check the specifications, options, and compatibility before buying.

View more details for Aer Go Pack 2

Further reading

Related Reviews

Black 45 liter travel backpack with clamshell opening and detachable hip belt on concrete

Travel Backpacks

Outdoor Vitals Dakota UL Review: One 45L Pack for Travel and Backpacking

A practical look at the Outdoor Vitals Dakota UL, a 45 liter pack that opens like luggage, carries a laptop, and converts for trail use with a removable frame and detachable hip belt.

9/29/2026
Charcoal grey ultralight travel backpack standing on concrete beside a rolled towel and bottle

Travel Backpacks

Outdoor Vitals Koda UL Review: One Bag From Terminal to Trail

A hybrid travel and backpacking pack with a sleek carry-on shape and a frame tuned for all-day comfort under a real multi-day load.

9/29/2026
Lightweight dark grey travel backpack standing upright on a matte concrete surface

Travel Backpacks

Outdoor Vitals Kota UL Review: One Pack for Flights, Cars, and Backcountry Camps

A close look at the Outdoor Vitals Kota UL, a travel-first backpack designed to stay comfortable under backpacking loads and still slide into an overhead bin.

9/29/2026