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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 £188.00
165g
5°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 £195.00
250g
-5°C
Alpine Ultra Half bag with extension tube
Special version of our Alpine half bag with a fabric extension tube to cut out breezes. Combines with insulated top to make a lightweight sleep system.
from £187.00
305g
-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 £241.00
350g
-15°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 £192.00
395g
5°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 £251.00
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 £342.00
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 £433.00
840g
-17°C
Zeta 1
Specialised synthetic-filled bag for big wall bivouacs in damp conditions. Reliable comfort on an overnight belay ledge.
from £242.00
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 £288.00
1600g
-15°C