This is the UnBottle on steroids! This pack includes tube insulation to insure the proper temperature every time. For anyone who wants to add winter hydration to an existing pack. Fully insulated system easily slips into, or onto, any pack. 100 oz (3 L) OMEGA HydroTanium Reservoir with Lifetime Warranty Convenient external fill port design for easy filling 4 point D-ring attachment system for securing to exterior of pack
**Available for purchase and shipment in the US only**
