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.

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From 867.83 575g -40℃
'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.
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From 1,079.46 745g -40℃
'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.
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From 2,186.12 1535g -40℃
'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.
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From 2,063.16 1880g -48℃
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.
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From 1,752.21 1570g -32℃
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.
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From 1,458.99 1130g -40℃
'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 custom sizes.
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