RK40 (2018)

This is the original model of the RK40 with the Dyneema cord compression system. For 2020, the RK40 was updated with a new, removable webbing front/side compression system.

The original RK40 is available in red only, and two sizes are available - regular (up to 180 cm/5'11") and long.


Accessory pocket at rear
Dyneema® cord side compression system
Oversized back haul loop – easy to grab and clip
Top compression strap
Two ice-axe holders
Frame sleeves to allow addition of two 8.00 mm titanium stays (purchased separately)
Welded construction throughout - completely waterproof
25 mm webbing waist-belt

Technical Specifications

Capacity 140 litres
Weight 995 g
Fabric 40% Kevlar / 60 % Cordura, 7 oz/yd² / 240 g/m²
Frame optional 2 x 8 mm titanium (purchased separately)

Regular (uo to 180 cm / 5'11")