Crux AK70 Rucksack

70+7 Litres / Internal Frame
Weighs 1586g
Code: SS16107
  • Now £258.99
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The AK70 Rucksack is a tough, waterproof alpine pack that can hold a staggering 28-35kgs. Features a removable floating lid and a new roll top closure system.

Crux says:

The AK70 is a large expedition pack suitable for climbs in the Greater Ranges. It can manage a heavy payload of 28-35 kgs in tolerable comfort (we are not going to pretend that this is ever an enjoyable amount to carry) but still remains light enough to be used for a summit push. Its large volume is ideal for stuffing bulky, frozen gear into whilst semi brain-dead from oxygen deprivation and encumbered with big clumsy mitts. For such a big pack, it is remarkably light and substantial enough to impart a feeling of solidity and security to the point that some people have actually tried bivouacking in them (OK, they were desperate - it's not really big enough).

The AK70 is the first of the 2016 3G packs to feature a roll-top closure system under the hood, replacing the draw cord system found on the 2015 styles. Separating it from the rest of the AK range, however, is its most distinctive feature - a dual-wrap hip belt. Although not heavily padded nor particularly large, this transfers the load onto the hips very effectively and enables heavy loads to be carried with some small modicum of comfort.


Crux's AK70 Rucksack is simple in terms of rucksack features but still has everything you need for an alpine pack. There is less padding on the shoulder straps and hipbelt than on other packs, and the back panel is stiffer than those of rivals - this spells more stability with heavier loads.

- Reviewed by Ultralight Outdoor Gear


  • Removable floating lid - for more versatile load options
  • Roll-top closure sytem - bag is fully waterproof
  • Side compression straps – quick and easy to fit or remove
  • Oversized back haul loop – easy to grab and clip
  • External lid pockets with welded seams
  • Top compression strap
  • 40 mm webbing waistbelt with low-profile full-sized hip-fins
  • Two ice-axe holders
  • Stretch wand pockets



  • Weight: 1586g
  • Size 2 medium back length
  • Capacity: 70 + 7 litres
  • Frame: 7.00 mm tubular titanium, full frame (removable)
  • Fabric: 40% Kevlar / 60 % Cordura, 240 g/m²


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