The Sitka Men's Kelvin Aerolite Vest offers a highly versatile vest that can easily be compressed and packed lightly away when needed. This vest can add an additional layer of warmth when the autumn nip rolls in, or core insulation underneath a shell in colder conditions. Enjoy the compressibility and warmth of down while still staying warm when wet thanks to the synthetic PrimaLoft Gold Insulation with Cross Core technology. GORE OPTIFADE Concealment Open Country camouflages hunters on the ground above the timberline at distances over 50 yards 60g Synthetic PrimaLoft Gold Insulation with Cross Core technology packs down easily and stays warm when wet Lightweight insulation is 35% recycled Insulation infused with silica aerogel, which keeps hunters warm while being made of over 95% air 20-denier polyester face won't wet out thanks to Durable Water Repellent finish 20-denier polyester backer Chest pocket is deep and zippered for easy access to valuables Weight: 9.6 ounces