Sitka Kelvin Aerolite Vest

The Kelvin Aerolite Vest delivers maximum warmth with minimal bulk, even in the wettest, most extreme environments. It boasts an innovative synthetic insulation blend that replicates the low-bulk, highly compressible characteristics of down, but with warm-when-wet performance. Count on it to keep you going when temps suddenly plummet and disappear into your pack when not needed.