This lightweight vest merges wind-resistant Pertex® Quantum Air fabric with high-loft PrimaLoft® Gold insulation, offering exceptional core warmth and breathability during activities. It packs neatly into its own pocket for storage, with practical details including two zippered pockets and the adjustable hem. Ideal as an outerwear piece in milder conditions or as a versatile insulating layer under outerwear, it’s designed for active use from chilly runs to daily life.