Born from the Blue River in Colorado, ths chest lumbar pack from Fishpond can be worn as a lumbar or in sling style. The Blue River has enough space as lumbar pack, but will still fit all your fly fishing needs as a chest pack. It's streamlined profile and numerous pockets, make it the perfect alternative to vests. Worn as a lumbar or chest pack, or in sling style. Enough space for everything you need.