Sitka Kelvin aerolite vest Men’s size M Optifade subalpine color Brand new worn once in excellent condition Weight: 9.6 oz. Synthetic PrimaLoft® Gold Insulation with Cross Core™ technology replicates the warmth and compressibility of down, but with the benefit of warm-when-wet performance Lightweight insulation (35% recycled) is infused with silica aerogel, a nearly weightless material that’s composed of more than 95% air and acts as additional thermal insulation 20-denier polyester face with durable water repellent finish, 20-denier polyester backer DWR finish resists precipitation and prevents face fabric from wetting out Deep, zippered chest pocket safely stores your valuables