Montane logo 150


CHF229.95 CHF173.00

Ultra lightweight minimalist technical climbing pack

610g Weight (approx)

The Ultra Alpine 38 + 5 is designed for fast and light climbing without compromising performance or durability. Developed with Montane’s lead athlete and expert big wall climber Andy Kirkpatrick, the Ultra Alpine 38 + 5 is Montane’s lightest yet extremely tough and functional climbing pack. Utilising Dimension Polyant® VX-21 fabric, this pack is not only light but extremely durable to withstand abrasion against rock surfaces.

38L + 5L extension

4 in stock

Montane Hiking, Trekking and Mountaineering Packs

Size Guide

Hiking, Trekking and Mountaineering Packs

These backpacks are fitted on back length. This is measured from your C4 vertebrae (the boney protrusions when tipping your head forward) to the centre of the hip bone (where you 'put your hands on your hips'). It is useful to have a friend help with this measurement.
Back Length S - M M - L One Size Adjustable
UNISEX PACKS 40 - 45cm 16 -18in 45 - 53cm 18 - 20in 45 - 53cm 18 - 21in 40 - 53cm 18 - 21in
WOMEN'S PACKS 38 - 43cm 15 - 17in 43 - 48 cm 17 - 19in N/A 38 - 48cm 15 - 19in

Running Packs and Vests

Due to the close-fitting nature of these packs and vests, we use the chest measurement to determine the correct size.
Chest Size S - M M - L One Size
UNISEX PACKS 76 - 97cm 30 -38in 97 - 112cm 38 - 44in N/A
WOMEN'S PACKS N/A N/A 74 - 90cm 29 - 36in
Size UK US EU Japan
XS 6 - 8 4 34 7
S 8 -10 6 36 9
M 10 - 12 8 38 11
L 12 - 14 10 40 13
XL 14 - 16 12 42 15
XXL 16 - 28 14 44 17


  • Constructed using Dimension Polyant® VX-21 fabric in the main body which is ultra lightweight yet exceptionally tough and strong. Features a superb DWR and tear and abrasion resistance
  • Super lightweight HALO lining fabric has a 1m hydrostatic head and offers additional protection to contents


  • RAPTOR UTL back panel has a minimalist design to save on weight but cut to give an ergonomic body-hugging fit. When packed precisely the load is held closely and securely


  • Features CONTACT Mesh on the shoulder straps to prevent abrasion on waterproof shell clothing when the pack is full to capacity and with heavy use
  • Shoulder straps have been specifically engineered for climbers to allow unrestricted movement when reaching and stretching during climbs
  • Large gear loops on either side of chest harness for clipping spare hardware essentials whilst on the move
  • Metal ‘quick release’ fastening waist harness for extra stability, durability and ease of use while on the move
  • Chest harness with off-centre clip which reduces bulk across the sternum and is easy to use with gloves or mitts


  • Large wide mouth pack opening with roll-top dry bag closure for additional storm protection and fast access to gear
  • Additional 5 litre pull out roll-top extension with ‘Cord Lord’ quick release mechanism allows for over packing when walking in to the base of a route


  • Top and bottom single hand side compression straps offer effective whole pack compression, load stability and maximised side carrying
  • Top removable compression rope strap


  • Reinforced webbing front clip loop and back grab handle for increased abrasion protection
  • Tough metal components throughout that are glove and mitt friendly
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Shipping & Delivery
Swiss post logo

We ship with Swiss Post Economy, which usually arrives in 2 working days.

For larger packages such as skis we use DPD courier services.

Free postage in Switzerland is offered for all purchases over 100 CHF.