Although it looks simple, Duluth Pack has put handy pockets throughout this bag to store those items you need while wandering. The main compartment is big enough for binoculars and a small field guide and has a generously sized zippered pocket. Under the top flap on the Haversackâ€™s front is another full-length open pocket faced with flat pockets ideal for pens, a small note pad, or calculator. We even included pockets on the outside ends that would easily fit a small cell phone or iPodÂ®. 18-ounce canvas throughout, the Haversack has leather trim and piping, and a leather flap strap with brass roller buckle. An adjustable leather shoulder strap insures carrying comfort while you wander the woods or sidewalks. Also available with cotton web components. Made in USA.