• ATOM PACK 18L, Black (BLK)
  • ATOM PACK 18L, Dolomite Blue (DLMB)
  • ATOM PACK 18L, Birch White w/Tidal Teal (BWTI)
  • ATOM PACK 18L, Textile Green (TXTG)
  • Atom Pack 18L,
  • Atom Pack 18L,
  • Atom Pack 18L,
  • Atom Pack 18L,
  • Atom Pack 18L,

Patagonia Atom Backpack 18L

£56.00 £70.00
£56.00 £70.00
48290 #48290
  • Black
    £70.00 BLK
    Black (BLK)
  • Birch White w/Tidal Teal
    £70.00 BWTI
    Birch White w/Tidal Teal (BWTI)
  • Dolomite Blue
    £56.00 £70.00 DLMB
    Dolomite Blue (DLMB)
  • Textile Green
    £56.00 £70.00 TXTG
    Textile Green (TXTG)
Textile Green (TXTG)
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ATOM PACK 18L, Black (BLK)
ATOM PACK 18L, Dolomite Blue (DLMB)
ATOM PACK 18L, Birch White w/Tidal Teal (BWTI)
ATOM PACK 18L, Textile Green (TXTG)
Atom Pack 18L,
Atom Pack 18L,
Atom Pack 18L,
Atom Pack 18L,
Atom Pack 18L,
Additional Information

The take-everywhere classic pack design with just the right amount of organization and close-fitting comfort.

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The go-anywhere, take-it-everywhere Atom Pack carries just what you need for a day of traveling, a day at work—or better yet, a day of moving through big, open sky country. It has a large, zippered main pocket to hold a jacket, lunch and your guidebook, along with stretch-woven pockets (one with a zipper) to carry small, easily lost items. A side-entry zipper located by the padded back panel provides quick access to a protective, soft-lined electronics pocket that holds a tablet or 13" or smaller laptop. On the front of the pack, a long zip-closing stash pocket keeps plane tickets, sunglasses and your breath mint collection handy. Two exterior daisy chains provide lashing options for securely holding a yoga mat or bike lock. Highly breathable mesh pads the shoulder harness and back panel to wick moisture, dry quickly and increase ventilation. A reinforced grab handle lets you carry the Atom briefcase-style. Made from 630-denier 100% nylon (50% recycled/50% high-tenacity) plain weave. The lining is 200-denier 100% recycled polyester. Both with a polyurethane coating and a DWR (durable water repellent) finish.
  • Main compartment has just enough room for daily essentials
  • Dedicated pocket for tablets or 13" laptops
  • Exterior stash pocket for small items
  • Highly breathable mesh on the back panel and shoulder harness for all-day carrying comfort
  • Reinforced grab handle
  • Adjustable and removable sternum strap
  • Adjustable and removable sternum strap
  • 488 g (1 lb 1.2 oz)
View The Footprint Chronicles
Size & Fit
Size Chart

Body: 7.4-oz 630-denier 100% nylon (50% recycled/50% high-tenacity) plain weave.

Lining: 3.3-oz 200-denier 100% recycled polyester.

Both with a polyurethane coating and a DWR (durable water repellent) finish

View The Footprint Chronicles

488 g (1 lb 1.2 oz)
43 x 24 x 14 cm (17 x 9.5 x 5.5 in)
18L (1098 cu in)

Water Resistant

DWR (durable water repellent) fabric finish repels light rain and snow and decreases dry times. When DWR is used in conjunction with a waterproof/breathable barrier, the DWR finish keeps the outer fabric from becoming saturated so that the breathable barrier can do its job.

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Recycled Nylon

Although we’ve been using recycled polyester in our garments for 20 years, for some reason locked deep in polymer chemistry, nylon is more difficult to recycle than polyester. After years of research, development, and testing, we’re finally finding some recycled nylon fibers that are suitable for apparel.

Some of the recycled nylon we use comes from post-industrial waste fiber, yarn collected from a spinning factory, and waste from the weaving mills that can be processed into reusable nylon fiber.

We’re diligently searching for a success story with recycled nylon. The challenge lies ahead of us, and we’re committed to discovering the best methods to recycle nylon fiber, but it appears this evolution will take many years.

Learn more


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Atom Pack 18L is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Low profile good for air travel, around town edc This Atom Pack 18L (1098 cubic inches) day pack is very handy. It first caught my eye on the sporting goods store rack because it is all black (no bright trim, no gray rear panel, just all black) and in low sheen, but smooth surface, nylon. I like nylon better than polyester (which most packs are made from, because it is cheaper) because it withstands abrasion better and has greater tear strength with thinner fabrics. I like smooth surface nylon better than "sanded," fake-canvas nylon because it doesn't act as a magnet for cat and dog fur the way sanded Cordura fabrics do. The threads are thick enough to give the surface some texture, but not the ginormous threads used in ballistics-style fabrics were you can really see the huge weave. So, this looks more robust than ultra-light fabrics, but not overbuilt like ballistics fabrics. It may sound like I'm nitpicking, but these designer choices are why the fabric has a good "hand" and looks good. In contrast, there is a manufacturer of "security feature" packs and bags that also uses smooth surface nylon, but their threads are smaller and tighter with a resulting totally different look and feel. The fabric Paty has spec'd here looks robust and modern, not like the cheap nylon and polyester "flight bags" from the 80's. // This pack fits narrow on the back, and is low profile (narrow depth from your back to the front of the pack) so you won't whack fellow passengers when you are disembarking and the aisles are jammed and you can barely turn around. It won't stay low-profile if you jam a fleece to the bottom, but if you fold the fleece to optimally fit out to the bag corners, you'll be good to go. // Unlike many daypacks, this is more rectangular, since it was designed to hold a rectangular, 13" laptop. I confirmed that a 13.3" thin or fat (Thinkpad) laptop will fit, even though Paty only claims 13". A nice feature of the laptop slot is that it is "external" to the main compartment - between the main compartment and the padded back panel. BTW, that padded back panel is really thick, the one area that I think is a little overkill (but may not be, if you stow an iced water bladder here instead). It isn't suspended from the bag bottom, but it IS equally well-padded on the bag's bottom and far edge and along the top edge - the only unpadded edge is the zipper edge. That's 3 out of 4 sides well protected, which is awfully good. The compartment side panel is felt-fuzzy lined, and won't scratch a 12.9" tablet screen, but I think it would be insane to put a tablet that expensive with glass facing towards the main compartment without a screen cover. The foam pad on compartment-side is much less thick than on the back panel. You'd probably be ok if the main compartment just holds a fleece, but anything pokey or hard would me me nervous. // There's no external water bottle slot, which I think is appropriate for this slim and fast design. I like mesh bottle slots both for water bottles and for gloves, neck gaiter, bandana, energy bars, watch cap, you name it. The problem is, most water bottles have slick sides and will slide out of almost every water bottle slot, since the elastic used at the mouth is never enough to retain them. So my personal water carry preference is a Platy "film" bottle in the main compartment inside a zip mouth plastic bag in case of spills. // If you are doing longer hikes away from easy access to water, the laptop slot doubles as water bladder slot. There is an exit porthole at the bag's top; there isn't an internal compartment hook to hold a water bladder in place. // The shoulder straps show a lot of thought and quality. They are straight off a much larger pack, thick foam, recurved, breathable mesh on body side (the back panel is similar breathable mesh). There is a sternum strap, and thankfully no waist strap to dangle, catch on stuff, and generally annoy. I always vote for a sternum strap over a waist strap. I almost always need a sternum strap to keep the straps from sliding back over my shoulders. It's also a theft deterrent. And it can be snapped over an adjoining chair handle to deter grab 'n' runs. This one is removable is you don't like them. There are loops on the front of each strap where you can clip or carabiner something to the front. // The top grab handle is better than most but far from perfect. It is wide and thick enough to not fold over and bite my hand. It is more than just a loop to hold the pack on a sales rack. On the other hand, I wish Paty had attached the ends further apart on the backpack strap mounting area - the opening for my grip isn't as wide as I would like. Thankfully there isn't any plastic or metal tubing on this strap, stuff I hate. Just simple but thicker-than-most-webbing fabric grab handle. // There are two compartments. The first is "outside" on the front panel, a straight vertical zipper that opens up a compartment where you can fold a thin shell. You can also use it for travel papers, but I wouldn't put anything that I couldn't afford to lose here, since pilferage is easy by pulling the one-way sipper, with long fabric pull, down from the top. (The laptop slot is similar design but it's hard to pull out a laptop, easy to pull out a wallet.) // Still, I like the outside quick access pocket. I could see putting a flattish i.v. style water pouch in there, along with a Houdini or similar windbreaker. // The inside compartment is mainly BYOO - bring your own organization - except for an open top flat mesh pocket and a small closed fabric, zipper top flat pocket. The open-top mesh pouch easily holds my 6" phone, even in its drop in case. The zipper pouch easily holds my passport. There are two negatives: there are not drop-in pen slots, and the key-leash clip is inside the open top mesh pocket. I would rather see the key leash clip at the side or top of this panel, not inside the top mesh pocket, since I don't want my keys and phone inside the same pocket. // Other than the two pockets, there are no neat "tricks" in the main compartment - no mesh lined sunglass slot, no pockets for energy bars. // I think in the past Paty has engaged in "office/shool organizer panel overkill," but on this pack they maybe embraced their inner minimalism too much. Please move the key leash out of the phone slot, give us a couple of pen slots, and install some tiny "o" rings at top and sides so we can clip organizer pouches to them, without them simply slipping to the bottom of the pack - we need some accessory pouch attachment points. // All in all, this is one of the best designs I have seen from Paty in a long time. It's on the small side, but I plan on using it as my "personal item" at my seat, with my carry-on luggage stowed overhead. It's also small enough to use as an edc bag locally - a lot of my alternative bags are great in the airplane cabin, but oversized once I hit the ground. // The laptop/very large tablet slot is especially appealing. I seldom carry a laptop or tablet, but when I do, most of my bags don't work well with them. There isn't a well-padded slot to keep them from shifting around, and I don't like the laptop knocking around in the main compartment. This bag is small enough it won't get in the way on most days, but when I need a laptop for a cafe will accept it and protect it well. // In fact the laptop slot on the Atom Pack is so well designed and protective I don't think I will need a zipper sleeve as additional protection on my laptop. // I have to admit that when I saw this on the web page when it was released, I thought it was a joke - too small to carry anything meaningful, and too big for my minor edc stuff. But when I saw it in the store, it changed my mind!
Date published: 2017-08-13
Rated 5 out of 5 by from At Last At Last a compact day backpack that looks great, comfortable but have enough room for all day essentials. well built. I use it for caring my 13' laptop, some documents and other everyday carry
Date published: 2017-08-09
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