Product Xero Down Jacket: K Series has been added to the 
ULTRALIGHT, EVERYWHERE.
Our ultimate expedition kit gets
1000 down & 10% lighter
We've extended our 'K Series' range to include our Ultimate mountaineering / expedition sleeping bags - the Diamir Range - and our Xero expedition Down Clothing. All 10% lighter thanks to 1000 fillpower down and our lightest-ever fabrics.
'K Series' version of our Xero salopettes. Exceptionally lightweight high-altitude expedition salopettes. Warmth to weight at the limit of possibilities. Now also available in custom sizes.
from $815.88
745g
-40°C
'K-Series' version of our high-altitude expedition jacket. Light enough for the ascent, warm enough for when the mercury freezes. Warmth to weight at the limit of possibilities. Now also available in...
from $1,140.43
1130g
-40°C
'K Series' version of this high-altitude expedition suit. Light enough for the ascent, warm enough for when the mercury freezes. Warmth to weight at the limit of possibilities.
from $1,655.04
1535g
-40°C
'K Series' version of our Xero down trousers. Exceptionally lightweight high-altitude expedition trousers. Warmth to weight at the limit of possibilities. Now also available in custom sizes.
from $667.19
575g
-40°C
Warmth to weight taken to the limit with our 'K Series' version of this high-specification expedition bag, cut roomy enough for stashing kit and for comfort at altitude.
from $1,422.30
1570g
-32°C
Warmth to weight taken to the limit with our 'K Series' version of this high-specification expedition and polar bag, cut roomy enough for stashing kit and for comfort in extreme environments.
from $1,674.43
1880g
-48°C
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