PrimaLoft® is a world-leading insulation with high breathability and unmatched thermal properties, specifically designed for high-output adventures. PrimaLoft® Silver Insulation is adopted in this golf vest to make it lightweight yet comfortable and warm for golfing and other outdoor activities, let alone the heating technology that provides instant heat in seconds. This insulation is approved by bluesign® and OEKO-TEX® Standard to ensure all the procedures are operated responsibly and sustainably.