The future of cold weather gear has arrived with PrimaLoft® Silver Insulation ThermoPlume® with Cross Core™ Technology. Small, silky plumes of synthetic fiber work in symphony to mimic the lightweight warmth, softness and compressibility of natural goose down. The material scientists at PrimaLoft have raised the standard even further by fusing each individual fiber with aerogel technology to deliver the highest level of comfort and performance in an all-synthetic package. This special blend of fibers delivers the performance features you need – insulating loft, wet weather protection and compressibility. For your next backcountry adventure, cross country trip or coffee run, make PrimaLoft® Silver Insulation ThermoPlume® with Cross Core™ Technology your versatile companion.