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Bivouac

Our Delta Range is a new generation of active-use sleeping bags. Ultralight and ultra-capable. Suitable as essential kit on a planned extreme ascent through to confidence-boosting backup in any mountain country. Our three new half bags mate with down tops to provide very lightweight bivvy options. The Zeta Bags are designed specifically for big wall bivouacs in damp conditions.

Wafer Half Bag: 'K Series'
Our lightest half bag (pied d'elephant) to insulate legs and feet. Combine with a light insulated top. Light option for the weight conscious.
from ¥26,998
165g
5°C
Desert Race 'Sleep System' Combo Package
Desert Race half-length sleeping bag & Down Pullover combination at 5% discount
from ¥69,793
440g
3°C
Desert Race Halfbag
A superlight half-length sleeping bag. With extension tube to protect against dust & wind.
from ¥33,317
240g
3°C
Alpine Ultra Half Bag
Our Alpine half bag (pied d'elephant) to insulate legs and feet. Combine with an insulated top. Lightweight option or backup on fast ascents.
from ¥28,003
250g
-5°C
Hispar Half Bag
Our expedition half bag (pied d'elephant) to insulate legs and feet. Combine with expedition down clothing. Lightweight option at high altitude.
from ¥34,609
350g
-15°C
Delta 150 Down Sleeping Bag
Very light, packable bag. Neck length for lightness. Ultralight under the stars, or backup on a quick ascent.
from ¥36,045
385g
6°C
Delta 350 Down Sleeping Bag
Very light, packable bag. Neck length for lightness. Overnighter on a fast mountain climb, or a high ridge traverse.
from ¥49,114
600g
-5°C
Delta 550 Down Sleeping Bag
Very light, packable bag. Neck length for lightness in big mountains. Combine with down clothing for even lower temperatures.
from ¥62,182
840g
-17°C
Zeta Primaloft Half Bag
A Primaloft-filled Half Bag for mountain bivis or emergency use. Team with the warm jacket you already carry.
from ¥27,573
395g
5°C
Zeta 1
Specialised synthetic-filled bag for big wall bivouacs in damp conditions. Reliable comfort on an overnight belay ledge.
from ¥34,753
1200g
-5°C
Zeta 2
Specialised synthetic-filled bag for big wall bivouacs in damp conditions. Reliable comfort on a cold overnight belay ledge.
from ¥41,359
1600g
-15°C