Stay warm and comfortable in any outdoor activity with the Sitka Kelvin Aerolite Jacket. Made with synthetic PrimaLoft® Gold Insulation and Cross Core™ technology, this lightweight and compressible jacket provides maximum warmth without the bulk. Perfect for hunting, scouting trips, or everyday wear, it also offers warm-when-wet performance. Weighing in at just 16 ounces, it's a versatile and essential addition to your gear.