SupAir Radical 3 (Ultra-lightweight)


RADICAL 3: Lightweight and Versatile
Particularly suited to mountain flying, it also intended to be used for tandem flying, ground handling, coastal ridge soaring, wherever lightness and ease allow the pilot to play freely.

  • Easy harness access
  • Light and compact
  • Turns into a complete airbag harness with optional airbag/backpack
This is the third version of a leading lightweight harness design! Comfort and modularity are at the heart of this new development.

The Radical 3 has an improved structural frame incorporating a simple, removable dorsal storage pocket.

Possibility to thermal with – high passive safety – accepts an optional front mounted reserve parachute pocket – has reserve parachute bridles shoulder connections, and a removable reversible AirBag/Backpack.


  • Body posture: upright
  • Trekking / flying and progression
  • Tandem pilot or passenger
  • Light weight Split-Leg harness design


  • Opening the harness’s straps using the push-through buckles
  • Self-stabilizing leg-strap system
  • Pre-equipped for a front reserve parachute pocket and Dyneema® risers

Gear / Comfort

  • Speed-bar/Accelerator pulleys


  • Removable dorsal storage pocket


  • Chest strap adjustment
  • Adjustable backrest support incline
  • Shoulder straps adjustments


  • Dyneema webbing
  • Nylon 210D Ripstop
  • Special Ripstop Dyneema® fabric


  • Norme EN 1651
  • LTF (with reversible back pack airbag)

Sizes: S-M / L

Weight: 830 g (Medium)




Pilot Size (cm) 160-180 180-200
Pilot Weight (kg) 50–80 70–110
Harness Weight (+carabiners+speedbar) (g) 830 870
Back Height (cm)  65 72
Leaning Setting Height (cm) 33 36
Seat Length (cm) 37 42
Carabiner Height (cm) 45 45
Carabiner Distance (cm) 35–43 35–43