Keep Warm This Winter: Mountain Equipment Xero Jacket
The Xero weighs only 285 grams and combines 700 fill down with featherlight Helium 20 fabric. Helium 20 is exceptionally light but also compressible and tough. The down has a PFC-free water resistant treatment applied to it. So it won’t lose it’s warmth if you get the jacket wet. Buy the jacket here.