WITH EXTRA WARMTH AND PROTECTION FROM THE COLDEST AND HARSHEST DAYS / Built to attach to current R-200 Jacket, simply remove the 200 gram liner, and replace with 509 R-300 liner.
509 R-300 LINER FEATURES
- 300 gram Thinsulate insulation liner
- Breathable lining materials
- 200 gram brushed fleece collar for comfortable layering and a good seal