Manufacturer:
The AK37-X RT is a long-awaited addition to the Crux AK line. It is identical to the AK37, but has a floating/removable lid instead of a fixed one which adds 3-5 litres of additional capacity. It otherwise shares the distinguishing characteristics of the AK range - a 40% Kevlar® / 60% Cordura® fabric with a highly waterproof TPU lamination and a fully welded construction. A top-loading style, it features a roll-top closing system under the hood for complete waterproofness.

The Crux AK37-X may assume the mantle of "best seller" held by the AK47-X - it's more compact size reflects the continuing trend of lighter-weight alpine climbing as well as being a more versatile size for non-mountaineering activities such as cragging, multi-pitch rock, back-country skiing, etc.

The AK37-X is available in two back-lengths; regular and long.

Features:
Floating/removable lid
External lid pocket with welded seams for water-resistance
Roll-top closure system for a completely waterproof main compartment
Oversized back haul loop – easy to grab and clip
Top compression strap
Side compression straps – quick and easy to fit or remove
40 mm webbing waistbelt with low-profile full-sized hip-fins
Two ice-axe holders
Two wand pockets
Welded construction throughout - completely waterproof

Specifications:
Capacity: 37+5 litres
Weight: 1300 g
Fabric: 40% Kevlar / 60 % Cordura, 240 g/m²
Frame: 2 x 7.00 mm Ø tubular titanium stays (removable)
Sizes: Regular, Long

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