9.

5" tall boots keep legs and feet protected down to -400F/-400C Removable foam liner with warm fleece lining and cuff Removable liner also includes DuPont Thermolite® 200g full-foot insulation Full-length internal EVA filler in soles for extra comfort Adjustable closure with nylon straps and curved pull tabs for easy adjustment and support Speed lacing system for maximum ease and adjustability Replacement boot liners sold separately