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Patagonia Critical Mass Bag - 2136cu in - 2009 BCS

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Critical Mass Bag - 2136cu in
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Once you figure out the company-saving formula, stuff your laptop and files into the Patagonia Critical Mass Bag and pedal to the lab before the reactor explodes. Get to work fast with your most important items safely tucked inside this padded messenger bag’s main pocket and padded laptop sleeve.

  • Padded, removable laptop sleeve suspends your computer inside the bag so it doesn’t come in contact with the ground, in case you get tossed over your handlebars
  • An optional waist belt secures the bag against your body during those hectic, two-wheeled commutes through dicy traffic
  • Laptop sleeve can be carried separately as a sling and features a zippered security pocket and organization compartments for test tubes or keys to the lab
  • Overlapping flap and water-repellent materials bead away the rain drops when you get caught in a shower
  • Internal stretch elastic pocket holds your rain shell when not in use
  • Fleece-lined pocket on shoulder strap holds your phone while you ride to work
  • Side stretch pocket holds your water bottle for hydrating at stop lights
  • Reflective strip shines bright in headlights to improve your visibility to drivers

Bottom Line: No matter how dire the commute, the Critical Mass will get you there with your valuables intact.

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Rating for this product: 4

Best bag I will ever own except for...

By:
December 4, 2010

The one thing I would love to see is a waterproof inner lining like you see on other messenger bags. Aside from that, this bag is the best bag ever. Carries my computer and a ton of other stuff but doesn't look to huge or take up too much space. Very well situated pockets that let you easily access all your smaller things like keys, kindle, ipod, etc without having to take the bag off. Bike Strap is clutch when you are hauling around on the bike; keeps the bag in place on your back and doesn't let it fly back and forth. It's still very water resistant. I'm not going to worry about my computer being in there during a slight drizzle, but I wouldn't trust it to keep dry inside in a heavy rain if you are doing a bike commute. Other than that, I highly recommend this bag.

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Is this bag waterproof?

Is this bag waterproof?

By: Backcountry.com Employee
April 2, 2010

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The Critical Mass has a DWR coating and is designed to perform well in the rain as a commuter bag. There's a gusset where the strap attaches to the bag and the main flap overlaps there, which is designed to keep rain out. I'd feel pretty confident riding in the rain with my laptop and other stuff inside the Critical Mass.

By: Backcountry.com Vendor Rep
April 2, 2010

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Its 100% recycled polyester so prob not waterproof. You could apply a waterproofer to it to increase the amount of water resistance..but I wouldn't recommend riding with this baby in a downpour.

By: Backcountry.com Employee
April 2, 2010

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Rating for this product: 5

Versatility to the max...

By:
September 18, 2010

Love the versatility of this bag. The laptop sleeve can be used on its own or secured inside the bag with a sturdy clip. Convenient pockets inside/outside providing just enough storage but does not encourage over packing causing excess bulk/weight. Looks equally appropriate in the office, out for the weekend or in the woods. Lastly, the shoulder strap and pad are excellent. Long enough for my 6'1", 250lb build and very comfortable under full load. Highly recommended. C

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Change me.

Out of Stock

Item: PAT1844

2009 Model No Longer Available

But don't stress, we have the latest model in stock.

Patagonia Critical Mass Bagcu in - 2011

Patagonia Critical Mass Bagcu in - 2011

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Best bag I will ever own except for...

4 star rating

By: mjv100197383 December 4, 2010

The one thing I would love to see is a waterproof inner lining like you see on other messenger bags. Aside from that, this bag is the best bag ever. Carries more...

Versatility to the max...

5 star rating

By: cre3932448 September 18, 2010

Love the versatility of this bag. The laptop sleeve can be used on its own or secured inside the bag with a sturdy clip. Convenient pockets inside/outside more...

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Material:
[body] 100% 600D recycled polyester with PU and DWR coating; [lining] 100% 200D polyester with PU and DWR coating 
Dimensions:
50.8 x 35.6 x 16.5 cm 
Volume:
2136 cu in 
Laptop Size:
15.5 x 11.5 x 1.5 in 
Shoulder Strap:
yes 
Pockets:
[external] 1 zip flap, 1 side stretch, 1 shoulder strap; [internal] 1 stretch elastic, 1 main, 1 laptop sleeve, 
Weight:
1051 g 
Recommended Use:
commuting, work bag 
Manufacturer Warranty:
lifetime