• This item is not insulated.
    Answered on 11/23/2016 8:46:03 AM by Product Specialist Greg from Sierra Trading Post
  • I have used this jacket with a long sleeved shirt at 40 degree weather and felt warm and comfortable. It is excellent as a wind breaker.
    Answered on 5/6/2017 9:22:18 AM by rcorales from Rochester, NY