The Insulator Fog Compatible With:Any Backpack

Compatible With:Any Backpack

Hidden Pocket

it is ideal for urban training runs

WindDiffuser technology disturbs airflow to reduce noise and drag for improved fuel economy

5" H × 10

The Insulator Fog Compatible With:Any BackpackThe Insulator is your essential companion for cold winter backpacking trips. Designed to keep your liquids from freezing, The Insulator allows you to fill a wide mouth Nalgene bottle with heated liquids before you head out, preserving warmth even in the harshest conditions. With a secure Velcro strap that easily attaches to your packs hip belt, its perfect for any backcountry winter adventure where staying hydrated is a must. Crafted with Dyneema