Men's Burton [ak] Baker Expedition Down Jacket When there's no lodge nearby to warm your bones, this down jacket gives you expedition warmth with high-loft down in an ultra-lightweight, packable design. Basecamp living and arctic conditions demand the warmest gear you can get your hands on. The Burton [ak] Baker Expedition Down Jacket uses responsibly-sourced high-loft down in 3-D baffles to eliminate cold spots for the warmest possible design. An ultralight ripstop shell helps shed critical grams for unmatched lightweight durability. It's trimmed with details like pit zip vents, a two-way front zip, and stretch cuffs. When staying warm is a make or break experience, reach for the Baker Expedition Jacket.