Rocky Boys Nylex Foam Boot Liners Thinsulate Insulation Style #7873 NEW

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 Heel to toe 10" Thanks for looking! Please message if you have any questions.