Fully adjustable four buckles sit harness ideal for mountaineering and winter climbing

  • 4 Rock&Lock buckles made of stainless steel to increase corrosion resistance
  • 2 buckles in a waist belt enable to center the harness, keeping the gear loops in an optimal position
  • thanks to the Rock&Lock buckles on the leg loops it is possible to put the harness on without having to take your skis or crampons off
  • for both leg loops and the waist belt the variable width webbing is used
  • new webbing is more durable, works better in our R&L buckle and makes tightening smoother
  • ergonomic construction combines maximum comfort and low weight
  • padded waist belt and leg loops are made of EVA foam and breathable PES fabric with high abrasion resistance
  • fixed bridge between the leg loops provides greater safety in a case of incorrect tie-in
  • 2 slots for additional carabiner PORTER
  • rear haul loop with a load capacity of 30 kg
  • 4 ergonomic braided gear loops are shaped to facilitate handling and to provide enough space for your climbing gear
  • 12 mm belay loop for proper tie-in/attachment point, strength 15 kN
  • BMI adjusting system ensures the perfect fit when changing layers or weight
Weight415 g [size M/L] • 14.6 oz
SizeS, M/L, XL
ce 1019 EN 12277 uiaa rock_lock


BMI - revolutionary harness size adjusting system by SINGING ROCK.
Patented smart buckle Rock&Lock for easy putting on the harness.

Size table

Tabulka velikostí
A (cm) 65 - 80 75 - 90 85 - 100
A (in) 25.5 - 31.5 29.5 - 35.5 33.5 - 39.5
B (cm) 50 - 55 60 - 65 65 - 70
B (in) 19.5 - 21.5 23.5 - 25.5 25.5 - 27.5
m (g) 390 415 435


catalogue sheet PDF - 0,2 MB
instructions of use PDF - 0,7 MB
technical parameters PDF - 1,2 MB
Activities at height such as climbing, via ferrata, caving, rappelling, ski-touring, rescue, work at height and exploration are dangerous activities, which may lead to severe injury or even death. This the following is essential before use:
careful reading and understanding of the instructions for useacquaintance with the possibilities and limitations of the productadequate apprenticeship in appropriate techniques and methods of useunderstanding and acceptance of the risk involved
In case of doubt or problem of understanding, contact SINGING ROCK.