For just $11.99 Daffo Natural wool felt insole: 95% natural wool, 5% nylon Cold resistant: below -113° Fahrenheit / -45° Celsius. Ladies to men's from size 3-15 scissoring off the edge, trim to fit your feet Thickness: 7mm Washable by hand wash, do not bleach. Brand New Suitable for winter, snow, work, rubber, hiking boots and shoes









