From the manufacturer

Bring along all your essentials with the minimalist Shuttle 6L bike hydration pack. This 2-liter hydration pack with bite valve offers cooling comfort thanks to the breathable airmesh back panel and shoulder straps. Sunglasses stay protected in the fleece-lined pocket; quickly access your pump in the dedicated sleeve. The sternum strap offers the added bonus of a rescue whistle. The Shuttle 6L has a home for everything you need and nothing you don't.

Features