Winter Warmth: Insulation, Shells, and Moisture Management
High-fill down delivers unmatched warmth-to-weight in dry cold; synthetic loft retains heat when damp and dries faster. Many hikers carry both: synthetic for active use, down for camp. Share your threshold for switching, and which jacket rescued you on a bite-cold summit snack break.
Winter Warmth: Insulation, Shells, and Moisture Management
In frigid air, sweat that lingers steals heat. Fast-drying polyester or merino with a lean fit keeps moisture moving. A reader described frost lining their shell after a steep climb—proof the right base layer and timely venting are winter safety equipment, not luxuries.