Military 1st have sent over details of the insulator jacket from 5.11 they are stocking:
5.11 Insulator Jacket features secure 2-way YKK front zipper, practical and low-profile chest pockets, functional quick access RAPIDraw pockets, and performance fit stretch side panels for enhanced breathability and comfortable snug fit.
Furthermore, 5.11 Insulator Jacket provides outstanding weather resistance and versatile thermal protection thanks to the PrimaLoft Silver insulation and DWR-treated exterior. Cold, wind and light rain resistant, and with exceptional warmth-to-weight ratio 5.11 Insulator Jacket is perfect for winter months.
Find out more at http://bit.ly/511InsulatorJackets