>>822415>>822852>>822936>>823227OP here. Thanks for the advice everyone, I've decided to go with nylon. Cordura lists pack manufacturers on their website, so I'll browse through those.
http://www.cordura.com/en/outdoor/backpacks.html>>823083I was looking at one of the Direct Action packs that Survival Lilly recommends. It's 500 denier, is that durable enough?
https://www.amazon.com/Direct-Action-Tactical-Backpack-Coyote/dp/B00M9FHUWA?ie=UTF8&ref_=cm_cr_arp_d_product_top