Responsibly Sourced Supreme Hand Warmth for Frigid Days The Coldfront Down Mitt blends bluesign® approved and recycled materials with responsibly sourced down insulation into a down mitt for extreme cold weather warmth. A 100% recycled polyester 20D ripstop outer is stuffed with compressible RDS-approved 650 down for the coldest days, and a silicone print on the palm and thumb provides added grip and durability when needed. The ultra-packable Coldfront Down Mitt stuffs deep inside a pack when not needed and lofts up in seconds for supreme warmth when the thermometer plummets.