If you need something small that still does the trick on your next hiking trip, then the Arc'teryx
Pyxis 12 Backpack is a great option. It's made from sturdy N630p-HT nylon, and features a Spacermesh™ backpanel, making it both lightweight and capable of providing airflow when things get sweaty. Good things can come in small packages. The Arc'teryx
Pyxis 12 Backpack is proof of that.
N630p-HT Nylon 6.6 plain weave
Weight - 390 g/13.8 oz.
Volume - 12 L/732 cu. in.
Low profile pack for hiking, travel, and multi-pitch routes
Bag Volume (cu in):
Bag Volume (L):
Arc'teryx products can only be shipped within the U.S.