The Insulated Storm Shift Pants are the warmest in our Snow line, with 2-layer GORE-TEX fabric, 60-g Thermogreen® insulation, and a baffled, supersoft interior for wicking, waterproof warmth in even the coldest conditions. Fabric, membrane and DWR (durable water repellent) finish are made without perfluorinated chemicals (PFCs/PFAS). Inseam length is 32". Made in a Fair Trade Certified™ factory.