The Insulator is a lightweight bottle sleeve designed for cold-weather backpacking, engineered to prevent liquids from freezing in harsh winter conditions. Built with Dyneema® Composite Fabric for durability and low weight, and lined with Thinsulate™ insulation for thermal retention, it accommodates a standard wide-mouth Nalgene bottle. A Velcro strap secures the sleeve directly to a pack's hip belt, keeping hydration accessible on alpine and backcountry routes without adding significant pack weight.
Compatible with wide-mouth Nalgene bottles
Dyneema® Composite Fabric shell for ultralight durability
Thinsulate™ insulation prevents liquid from freezing
Velcro strap attaches to pack hip belt
Designed for winter backpacking and alpine conditions
Keeps pre-heated liquids warm in cold environments