Product details:

The Summit Stuff Pocket is an all-purpose accessory pocket that can be attached to any Hyperlite Mountain Gear Summit Pack. Constructed with a combination of Dyneema Composite Hybrid material and hexagonal grid mesh, it offers extra storage space to carry water bottles, snacks, clothing or other gear. It's 7' by 14' and attaches to the daisy chain with split bar sternum buckles. Pack not included. This product is just the front accessory pocket.