"The Stoaway™ reservoir with Thermal Control insulation turns any pack into an all-season 2L/70 oz hydration system.
Features
- The brand new CRUX™ reservoir delivers 20% more water per sip and with an ergonomic handle for easier refilling!
- 10mm closed cell foam reservoir insulation
- Insulated tube and bite valve cover
- Attachment points
- Large adjustable carry loop"