The HCMH (Helix Combat Multi Harness) is the latest addition to their Tactical Climbing Harness range.
It is a fully modular harness system designed specifically for military operational use and has acquired UK helicopter clearances for specialist troop emplaning & deplaning techniques as well as fulfilling high access requirements.
helixtactical.com/Products/Harnesses/Full-Body-Harness-(Modular)/HELIX-Combat-Multi-Harness