Designed for extreme cold weather, these Rocky boot liners provide superior warmth and comfort. With 200 grams of Thinsulate insulation, they are effective for temperatures as low as -50°F.

• Nylex Foam & Thinsulate Insulation
• Comfort Rating: -50°F
• 3/4" Open Cell Polymeric Foam
• Heel Protector & Outsole
• Fits Boy's Rocky Jasper Pac Boots and other brands/styles

Heel to toe 10"

Thanks for looking! Please message if you have any questions.