Koester Backpack

Cotton duck canvas is naturally water-resistant due to its tight weave, but it is not waterproof. While it will handle light rain or a quick drizzle, we recommend applying a canvas wax treatment if you plan to use it regularly in heavy downpours.

Yes, the 8-10oz leather is quite substantial and will feel rigid initially. Like all high-quality vegetable-tanned leather, it is designed to soften and conform to your body shape the more you wear it.

The bag features a large, open main compartment without dedicated internal padding or sleeves. If you plan to carry a laptop, we recommend using a separate protective sleeve to keep your device secure.

The nickel plating is industrial-grade and highly durable. To maintain its finish, simply wipe it down with a dry cloth occasionally; avoid harsh chemical cleaners, which can strip the plating or damage the surrounding leather.

Spot clean the canvas with a damp cloth and mild soap. Avoid putting the bag in a washing machine, as the leather straps and metal hardware are not designed for submersion and could be damaged.

The design prioritizes a simple, spacious aesthetic, so it does not include internal organizers or zippered pockets. It is essentially a large, open vessel, making it ideal for those who prefer using their own pouches or packing cubes.