NASA approved bootie warmth, in a comfy slip-on sock design. The microsuede sole is just durable enough to plod around the cabin, and keep your feet extra toasty when worn in a sleeping bag.
- NASA approved PrimaLoft® Gold Insulation with Cross Core™ Technology to keep your feet warm and dry
- Soft polyester tricot lining for comfort
- Cinch top ankle closure seal in heat and seal out snow
- Anti-slip sole
