Climbing AX50 Rucksack

Climbing AX50 Rucksack

Regular Price: £179.00

Special Price £125.00 save 30%

Incl. 20% Tax

Availability: Out of stock

The AX50 is the largest in Crux's AX-series of alpine climbing rucksacks. It's beautifully designed with just the essential features to keep the weight to the minimum, and the fabric is a super tough dyneema/cordura mix.



Crux AX50 Rucksack

The AX50 is the largest in Crux's AX-series of alpine climbing rucksacks. It's beautifully designed with just the essential features to keep the weight to the minimum, and the fabric is a super tough dyneema/cordura mix. The AX50 carries really well too, thanks to the (removable) titanium stays down the length of the back.

  • Weight: 1180g
  • Capacity: 50 litres
  • External lid pocket
  • Security pocket on inside of lid
  • Floating 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 – can be used as emergency rap anchors
  • 40 mm webbing waistbelt with low-profile full-sized hip-fins
  • Internal sleeve for hydration bladder
  • Two ice-axe holders
  • Wand pockets
  • Reinforced, double-layer base panel
  • Frame: Two 9 x 1.5mm flat titanium stays (removable)
  • Fabric: 150g/m2 15% Dyneema 85% Cordura


Activities Alpine Climbing, Climbing, Ice Climbing, Mixed Climbing, Winter Climbing
Weight 1180g
Brand Crux
Gender Unisex
Size Guide

Crux Logo


The AK47AK47-XAK57 and AK70 come in three sizes, based on back length (see table and diagram below).

The AK37AX45, AX50, RK40 and RK50 come in two sizes, R (regular) and L (long) (see table and diagram below)

The AX30AX35, AX40 and RK30 come in one back length only, which is equivalent to size R.

SizeBack LengthTypical Height Range
1 45cm 160-170cm
R 48cm 155-175cm
2 50cm 170-180cm
L 55cm 175-185cm
3 60cm 180-190cm

Size 1 is optimised for women but fits small men too.

Crux Rucksack Size Back Measurement



We try to keep the site updated with products that are in stock and despatch within 1-2 working days (Mon-Fri). Occasionally items ordered may be out of stock. If this should happen we will contact you to let you know when we will be able to despatch your order. Please note that all deliveries are made between 08.00 and 18.00 Monday to Friday and may require a signature.

Please click here for Christmas Deliveries information.

Free Delivery

Orders are typically despatched with Royal Mail Tracked 48. Please note that this is a guideline only as a different delivery method may be used depending on the size/weight of your order – if you would like any more information on your delivery please contact us. Please note that postal services are dealing with unprecedented numbers of orders just now; there may be a short delay in delivery but we will get your order to you as quickly as we can.

Click and Collect

At checkout, please let us know you'd like to collect your order from our Hathersage store, either in the Comments box on the order page or by emailing us at [email protected], quoting your order number. Click and Collect items are available to pick up Monday – Friday, 9:00 am – 5:00 pm (excluding Bank Holidays), one working day after your order is confirmed.

When your item is ready to collect, you will receive a confirmation email; please either bring a print out of this or show us the email on your phone. You will also need to bring a form of ID which shows the billing address for your order.

Please collect from the back door at the end of Outside's customer car park:

Outside Ltd
Main Street
S32 1BB

Online Only Range

“Online only” products are not available for immediate despatch but you will still normally receive these items within 5-7 days of placing an order. If there are likely to be any further delays we will of course be in touch. These products cannot be purchased in our store.

Next Day Delivery - £5.95

Orders placed BEFORE 2pm Mon-Fri will be despatched the same day, usually with Parcelforce (requiring a signature). Any Next Day orders received after this time will be despatched the following working day. Please note any orders placed AFTER 2 PM on Thursdays will be despatched on Friday, but not delivered until the following week. Next Day isn't possible on Bank Holidays. If you have a mobile number on your account you will receive SMS notifications regarding delivery (UK mainland deliveries only).

Redirection of your order once despatched

We regret to say that we are unable to change the address or postcode on a parcel once it has been despatched. We therefore recommend that you check your delivery address and postcode carefully before completing the order as this will not be checked by us before despatch. We also recommend that orders are sent to an address where someone will be available all day to receive the parcel, e.g. a work address.

European and International Delivery

International service suspended

Unfortunately international orders are temporarily suspended due to the impacts of Coronavirus and Brexit related regulations. We are working to restore normal service when we can - please email [email protected] if you would like an update when we resume international services. Please accept our apologies for any inconvenience.


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