When conditions are mixed and activity levels fluctuate, this lightweight synthetic insulated transition jacket delivers the ultimate balance of warmth and breathability to keep you comfortable whatever your day throws at you. Filled with dual weight PrimaLoft® Gold Active+ insulation which is lighter in hot spots to help regulate your temperature, it’s a versatile jacket which can be used as a technical outer on fast summer hikes or a warm, hardworking midlayer in cooler conditions. Now featuring an even more breathable lining, the Xenair Alpine Light expertly deals with changes in energy and temperature without you needing to remove layers.