Hyperlite Mountain Gear Summit Stuff Pocket -is an all-purpose pocket that can be attached to our Summit Pack. It is constructed with a combination of our Cuben Fiber/Polyester hybrid material and our hexagonal grid mesh, providing strength and durability as well as breathability. The pocket measures 10” wide by 15” high and contains one daisy chain and shock cord fastener/compression system. It is easy to attach to the daisy chains on backpack with split bar sternum buckle. Perfect for carrying water bottles, snacks, clothing or other gear.