Silva Trail Runner Free 2 Battery Case RB9X then the Atomic Backland Ultimate

then the Atomic Backland Ultimate is the boot for you

Aerotherm™ Aerogel technology makes them warm to -40°F / -40°C

Gaiter compatible

Narrow head width for tight placements

Silva Trail Runner Free 2 Battery Case RB9X then the Atomic Backland UltimateThe Trail Runner Hybrid Battery Case can carry either the Silva rechargeable Hybrid Battery or 3xAAA batteries. The case has grip friendly surfaces and holds an integrated red rear safety light adding extra visibility. The battery can be carried comfortably on the headband or, thanks to the extension cord, it can be kept warm in your pocket to save battery life. Features: Fits Trail Runner headlamps Can carry either the Silva rechargeable Hybrid