Medium Expandable Knack Pack®

I love this bag! It feels compact and not too bulky. I use it daily for work and able to put my work laptop and other belongings in there. Fits the same things as my previous backpack for work that was bulky and felt heavier than this backpack. Also can be used for weekend travel. I like where all the compartments are located. They are convenient and all easily accessible. Truly a great bag and I am very happy with my purchase.

This is an amazing bag.

I use it pretty much everyday - for work, travel, leisure, as a daypack, as a day hike bag, for a grocery run, for a visit to the ER, anything.

I'm T1 diabetic so I always need to carry some emergency stuff and diabetic supply, so in its 17L mode, it is a perfect daypack. The front triangular pocket is perfectly sized for my diabetic supply, and it is super quick to access by simply pulling away.

The bottom pocket can either fit a few emergency snacks or a tech pouch that seems to fit perfectly (Knack Bags, you NEED to make an official tech pouch!)

Main compartment is roomy and holds all I need to store, and is also quick to access thanks to its semi-clamshell design

Water bottle pocket can be hidden which is awesome, and the Knack Insulated Water Bottle fits perfectly in it - I love the perfect synergy with the other Knack products

The suitcase compartment is excellent - it adds 14L of storage for travel, which I've used multiple times, paired with Knack Bag Packing cubes.

All in all, it is an amazing bag. It is also very lightweight yet durable and sturdy

I would change a few things though - adding a side handle would definitely change the game - you can stow the shoulder straps, so by adding a side handle, you could carry it as a proper suitcase. I'd also change the flat mesh pockets to 3D mesh pockets, as once you put things in them, they protrude and stress the mesh.

I waffled over a few months deciding whether to buy this bag (which was pretty easy since I've been in quarantine). I had an unpleasant experience last year with a "startup" luggage manufacturer and have been skeptical about spending $200 on a bag only to be disappointed.

Not the case with Knack. I purchased the Medium after thinking about buying the Small, but as the dimensions aren't that different, went with the Medium. I'm very happy with this bag!

When I travel (which I hope to do soon!), I prefer carryon only, with a rolling bag for the overhead and a backpack for underseat use. But I also sometimes need just one bag for a brief trip, and a backpack which expands (hard to find) is perfect for clothes, toiletries, and my electronics. This pack really fills the bill. The expansion is enough for a trip of several days with strategic packing, with plenty of room for a laptop, tablet, and cables. I also require a trolly strap for use with a rolling bag handle, and the Knack has this handy feature.

Organization is excellent, with easy access to whatever you might need in flight. The carry straps are well padded and comfortable, and the integrated water bottle holder is perfect for a 24 ounce HydroFlask. Plus, it tucks away when not needed.

The only aspect of the bag which prevents me from giving it a 5 star rating is the lack of a side carry handle. As the pack is designed for both business and pleasure travel, having a padded side handle to match the top carry handle would give the bag a bit more of a "business friendly" appearance. However, that's a minor detail.

In summary, I expect to get a lot of use from this bag when the country gets "mobile" again. The Knack pack combines form and function with a professional appearance, and while it's a tad pricey, looks to be durable enough to justify the price. Very nice bag!

I love this backpack, could take this everywhere. I love that there's more back stability with this bag. The only negative is that for the laptop pocket, it doesn't leave space for laptop sleeve to protect laptop for unexpected drops. Other than great bag that should last for a while.

I can't remember whether I wrote a review when I first brought my Knack, but after a year together, I feel like I should write again ;)

I love how streamlined this bag looks. Even in expanded form, when I am carrying my whole life with me, I don't feel like I have a box strapped to my back. The weight is distributed well and the straps are exceptionally comfy. The zippers are sturdy and unobtrusive and I'm pleased to note that even in the fully expanded state, the exposed expanding zippers have held up well in transit. The multitude of pockets keep me really well organized. I still think that the little wedge shaped flap pocket in the front would be better off as just a simple 1 zipper slip pocket instead.. but overall, it's great having a spot for everything.

The ratio of padding to weight on this bag is perfect. It's not too heavy, but the front of the bag has a healthy amount of padding (as well as the back, where the laptop lives). My camera, switch, battery etc can all be thrown into the front compartment, and I know it will be relatively protected.

I ummed and aahed for so long over this purchase but my only regret is that I did not purchase sooner. I'm so glad to have met my Knack, and as soon as the world goes back to a somewhat normal state, I am sure we will be back on many more adventures!

I purchased this bag in March - just as the US went into lock-down. As with any new parent, I had big dreams for my new baby. We were going to commute every day to work together, fly on airplanes, take day trips, and even go on a cruise (or three) this year. Alas, not everything goes to plan.

But let me tell you how awesome this bag is, because I promise you no other bag is as comfortable when traveling from your office to your living room. It is lightweight yet sturdy and has padding where needed. The padding is particularly important because of any accidental drops thanks to your 100lb dogs or their poorly-placed toys. Also, the straps are perfectly padded and evenly distributes the weight as you walk down (or up) the stairs.

I have a roomy compartment for my Dell XPS 13" in the dedicated laptop compartment with easy access. The main compartment always has my notebooks ((2) 9x7 and (1) 8x11). I still have my small med bag in one of the internal upper compartments (who knows why right now).

On the outside, the cell phone pocket is a great spot to forget where you actually put your cell phone. I have a Pixel 2 XL and it has plenty of space in the top pocket to be lost for a solid 15 minutes. The bottom zipper compartment I use for my charging cord. There's nothing worse than one percent of battery remaining yet being a solid room away from your charger. On the plus side, it is narrow yet roomy enough to put other necessary cords in that compartment too.

I was pleasantly surprised to see my 25oz waterbottle juuuuuust fit in the designated pocket and still zippers 95%-ish. This is very important because trekking upstairs to the office is a very long distance and hydration is important. I will say it takes some of the space from the interior of the bag - something to keep in mind if you are debating Medium vs. Large. Nothing major and doesn't bother me, just something to note.

I don't want to brag, but we did go outside to my backyard this one time and did work on the back patio. I had to work on something else so everything was put back in the bag but left the bag on the table. It started to rain and I'm proud to say the few minutes it was outside did not damage any of the things inside the bag (no water through). Not sure if this was by design, but just feedback - it appears a small rainstorm won't affect your contents.

Someday we'll venture on a trip. Until then, this is the perfect little quarantine bag. #TeamSangria

I can't say enough about my medium Sangria Red Knackpack. I also own the small stealth black Knackpack, I LOVE them both. Great durability, organization, and of course the travel expandability. That red on the medium is very pleasing, I get alot of compliments on it, and questions about where I got it. I also bought two medium and one large packing cubes and just recently the new medium packing insert (get that in two more days). Knacks products are awesome. Suggestion : maybe on the next iteration add and option to add load lifters on the medium and large bags and add a secret compartment for passports, wallets, and cash to the rear panel? Just a thought. I love the Knack products and company and I'm looking forward to having a long consumer relationship with them going forward 👍🏾

Ample pockets for storage. The bag looks great and is very sturdy and comfortable to carry. I love that it is expandable. Very happy with my purchase.

There's a place for everything. Bag looks great, solid construction & spacious without being bulky. I was packed & ready to go, but ... well you know the rest (March 2020).

I travel once or twice a month on short (2-3 day) trips. I spent about a month looking for a backpack that was not very large but could handle 3 day travel. I decided to take a chance on the expandable knack pack. I ordered a small and a medium and they were delivered promptly. I opened both bags and quickly decided the medium was the right size for me. It didn't feel too big and most importantly didn't interfere with an iPhone 11 Max in my back pocket. All of my previous backpacks hung so low that it made it difficult to walk with the large phone in my back pocket.

The backpack is amazing. I use it on a daily basis to carry my 13.3" laptop, iPad pro, some papers/folders, sunglasses, chargers, hat/scarf, emergency snacks, a camera, and a few other small items. For the relatively small form factor it fits everything with ease.

For weekend travel I unzip and expand the back of the bag and in addition to everything I carry daily, I can now carry toiletries and 2 change of clothes. The bag is suprisingly comfortable to wear even when fully loaded.

I can not be happier with this purchase. The size is right and it does everything I need it to do. Highly recommend.

Oh, forgot to mention I also have a water bottle in the bag at all times. Fits that too.