Crux AX40

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Well designed lightweight but tough 40 litre winter climbing/alpine sack. Extendable lid. One size.

Crux AX40

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10 In Stock
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Like the AX30, the AX40 is based on the previous (no roll-top) Crux AK37 but made of Cordura/Dyneema rather than Kevlar fabric. The only diffence between the AX30 and the AX40 is that the AX40 has a free floating lid that can be extended to carry more gear for walk ins to huts and high camps. The lid can also be removed to reduce weight on a summit push. A very well designed lightweight but tough 40 litre winter climbing/alpine sack.

Instead of the AK's famous Kevlar fabric, the AX40 has a lighter Cordura fabric with a 3 mm Dyneema ripstop developed exclusively to Crux's specification. Other changes include changing the frame to lightweight 9mm flat titanium stays. Although not as stiff as the tubular ones found on the AK37, these provide adequate support to carry a big rack and a couple of ropes. The carrying harness has the identical specification to Crux's AK range, and in particular maintain the same hip-belt design that has been much acclaimed..
The AX40 comes in a single, unisex, back length.
  • External lid pocket.
  • Security pocket on inside of lid.
  • Extending removable lid.
  • Side compression straps – quick and easy to fit or remove.
  • Oversized back haul loop – easy to grab and clip.
  • Top compression strap.
  • Dual drawcord closure system on extension sleeve.
  • 3 mm Tendon drawcord – Crux suggest that it can be used as an emergency abseil sling (but beware it is only 1.4kN and could cut easily on a shap edge).
  • 40mm webbing waist belt with removable hip belt.
  • Internal sleeve for hydration bladder.
  • Two ice-axe holders for modern axes.
  • Wand pockets.
  • Reinforced, double-layer base panel.
Fabric: 15% Dyneema / 85 % Cordura, 150 g/m².
Frame: Two 9mm x 1.5mm flat titanium stays (removable).
Capacity 40 litres.
Weight:  ca 1050g.
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