We sell a ton of these packs. Kids love them because they are just the right size. Women love them because they can be used a mini backpack. Guys like them because they can be used as a leader wallet and carry just enough flys for a couple of hours on their favorite run. Features include: low-profile vertical design; signature, zip down fly bench with replaceable foam; zippered main compartment for secure fly box storage; zippered interior pocket; fishpond Jacquard accent webbing and climbing cord loops for attaching tools and accessories; felt loop attachment; padded, breathable air mesh backing.