Product details:

Waterproof to the stitch line of TPR shell. Insulated with a 3/4" removable polymeric foam liner. 400 gram Thermolite insole for superior warmth. Woven nylon pull loop and large toothed front ziipper foreasy on/off. Molded-in heel kick-off for quick boot removal. Utila-Trac molded outsole. Comfort rated to -50 F.