Throw your binocs and field guide into the Filson Small Field Bag and head out into the woods in search of some new birds to add to your journal. Its water-resistant, rugged twill and bridle leather construction delivers is tough enough to handle the unpredictability of the outdoors, and the reinforced base helps handle heavy loads and resists abrasion. Multiple stow pockets hold your swiss army knife, lighter, and maps, while the removable, adjustable leather shoulder strap keeps this bag at hand level.