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£48.00 £40.00

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CRUX is the Singing Rock best seller and won the prestigious US Climber Magazine Award for ‘best harness’. Crux is a very light high-performance sport climbing harness, with good lumber support making it ‘a pleasure to fall in’ (well that’s the Americans for you). It has the patented Singing Rock ‘rock&lock’ waist adjustment system , 4 classic gear loops for ballast and  BMI- a neat system for tucking away surplus waist belt strapping.  Designed with sport in mind it uses materials with great breathability.


  • Innovated lightweight construction of the waist belt and leg loops provides maximum support and comfort
  • Patented Rock&Lock buckle on the waist belt for fast and safe adjustment
  • Tie-in points which have the most abrasive wear are reinforced by PAD webbing
  • Perforated EVA foam inside the waist belt and leg loops with holes 5mm in diameter increases the breathability of the harness
  • Padded waist belt and leg loops made from breathable PES fabric with high abrasion resistance
  • Inside mesh dissipate moisture and dries quickly in a wet conditions
  • Laced technical textile increasing the waist belt rigidity and abrasion resistance
  • 4 braided gear loops with a load capacity 5 kg
  • Colour belay loop for proper tie-in/attachement point, strength 15 kN
  • Fixed bridge between the leg loops provides a higher safety in case of wrong tie-in
  • Ergonomic and simple design
  • BMI adjusting system for perfect fit when changing the layers or weight

Color: 2015 Blue
Weight: 324 g [M]
Overlapping Waist Sizes:  S, M, L

Small 27,5″ – 31,5″

Medium 29,5″ – 33,5″

Large 31,5″ – 35,5″

For extra small and extra large versions please email us

Conforms to latest EN 12277 1019 standards



Additional information

Harness Size

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