Fabric for bivy sack floor

[Ryan K]

I’ve pretty much decided to go with RBTR’s 1.6 oz Silpoly to be as puncture/abrasion-resistant as possible while still remaining pretty light, but I wanted to check with the MYOG mob. Are any of the other RBTR options a better choice like 1.1 oz silpoly or 1.1oz silpoly PU4000 (more waterproof but at a durability cost).  I’m not considering cuben – just way too expensive for my first bivy.

 

Thanks

[Simon Kenton]

I really don’t think you can go wrong with either. I think my Borah Gear Snowyside 2 uses the PU4000 bottom and it seems to be pretty durable.

My only advice is to choose the least expensive fabrics if this is your first attempt at a build. I always end up wanting to try something a little different after I complete a project and I’d rather not dole out the cash on very expensive materials on the first run.

That being said, I can send you a couple yards of 2nds silnylon from Oware for the cost of shipping. Drop me a PM if you want to go that route.

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