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To pay homage to the awe-inspiring Eiger peak, Mammut built the Eigerjoch Advanced IN Hooded Jacket with a full feature set to conquer the most challenging mountaineering ascents. This insulating jacket is packed with core-warming 850-fill down for a level of warmth that any mountain climber dreams about, while the Primaloft Gold covers the hood, back, and sleeve ends with insulation that stays warm when wet.