[Waterproof] Sidekick 02 Expansion Bag

Extra capacity, ready to go.

The Sidekick 02 is a 2-liter expansion bag compatible with Enduristan's proprietary expansion system, ESI (Enduristan Standard Interface).

By adding 2 liters of storage capacity, it is perfect for when you need more room for camping gear, extra clothing, food, or other travel essentials.

Increase your capacity only when you need it.

That is the beauty of the Sidekick series.

The capacity you need, right where you need it.

Because it attaches quickly to any ESI-compatible product, you can expand your storage to suit your style of travel.

"I just need a little more space."

The Sidekick 02 provides that extra 2 liters of storage when you need it, and can be easily removed when you don't, returning your setup to a lighter configuration.

Practicality, the Enduristan way

Completely waterproof, dustproof, and mudproof.
You can use it without worrying about rain or mud.

What is ESI (Enduristan Standard Interface)?

ESI is a new expansion system adopted by Enduristan.

By adding compatible expansion bags or bottle holders, you can build a carrying setup tailored to your specific needs and travel style.

Position your tools for easy access or add storage for frequently used small items right where you can reach them.

The key feature is the ability to gradually customize your gear to fit your personal usage style.

Because these components are interchangeable across compatible products, you are not just buying a bag, but building your own travel system.