Best fabric for backpack?

Fredrik E

Junior Member
Joined
Jan 13, 2022
Messages
19
Hello!

What fabric should i use for my breakaway backpack?

I want a fabric that is tough enough, resonably light and as quiet as possible even in freezing temperatures.
As inspiration i am looking at Seek outside and Exo mountain Gear.

Cheers
 
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Fredrik E

Junior Member
Joined
Jan 13, 2022
Messages
19
Sorry, a backpack with detachable bag from frame

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Dos Perros

Senior Member
Joined
Jul 30, 2015
Messages
2,873
Location
Lenexa, KS
Both Seek Outside and Exo post some specs on what they use. I don't think you could go wrong with a 500D Cordura. For some added durability (and weight) you could go 1000D Cordura.

Alternatively, if you're wanting more waterproof and lighter (but noisier) then X-PAC might be an option, but at quite an increase in price.
 

Rokwiia

Senior Member
Joined
Nov 12, 2016
Messages
798
Location
In the mountains
Choice of fabric depends on your priorities...waterproofness, weight, quietness, abrasion resistance. I have several Seek Outside packs and they offer 3 fabrics:

1) XPac (in X21 and X42)
2) SpectraGrid
3) XPac-33

If you live in dry areas where quietness, abrasion resistance, and lightweight are important, then SpectraGrid would be your choice. I happen to live in an area where it is wet so I chose XPac and have had the X-21, X-33, and X-42. If waterproof and the feel of Cordura are the two most important, then X-33 would be a good choice. I believe it has an outer layer of cordura laminated to XPac but check with SO to be sure. It is lighter than X-42 but heavier than X-21.

XPac X-21 is grey and the lightest XPac material SO offers but I find it the noisest. XPac-42 is more supple and quieter than X-21 but in a full-size backpack will weigh about 3oz-4oz more.

Many people like the SpectraGrid but I'd be concerned about water intrusion. If you have to use a dry bag or two then you begin to lose the weight advantage.

If I could only have one pack that had to last me for a long time, I would choose the X-42 material--no question about it. Waterproof, supple, more durable and quiet than X-21 and for only a small weight penalty.
 
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