“With 1200 gram Thinsulate Insulation, the Arctic Boot is our warmest boot and is guaranteed to keep you dry,” Klim says in a release.

The boot features a Gore-Tex membrane located on the outside of the insulation, which is designed to prevent the insulating material from absorbing water. Also, the boot features 600 gram Thinsulate Insulation embedded in the midsole to protect from direct thermal transfer into the ground.

“Working in combination with synthetic moisture-wicking Klim socks, this boot will keep your feet warm and dry in the harshest conditions,” Klim says.

Klim Arctic GTX Specs:
• Gore-Tex product techlology
• 1200 gram Thinsulate for increased warmth
• Dual durometer sole construction maximum traction
• Kicker toe piece to resist wear from tunnel bolts
• Stiff durable board to help disperse shock and protect bottom of foot
• Multi-layer substructure constructed from perforated materials to increase breathability
• Moisture-wicking materials
• Ankle cutout to promote forward flex
• High quality, flat anti-slip, moisture-resistant laces
• Removable moisture-wicking insole
• Internal EVA foam to cushion top & tips of toes
• Anchored lace loops for synch-down power