Optimal Insoles – SNFT – Schumann Resonance Technology

German Reliability

All Optimal Insoles, powered by Systemic Natural Frequency Technology (SNFT) are exclusive and ground-breaking because they are designed to reduce the adverse effects of gravity on the feet and joints. 

Systemic Natural Frequency Technology (SNFT)

SNFT Energy Source is a unique German made, high-tech schumann resonance material that re-establishes the bio-energetic balance in your feet* (via the earthing sensation 7.83Hz) keeping you healthy and performing at your best all day long.

Open Cell PU Foam Technology (OCPUFT)

Optimal Insoles via Open Cell PU Foam Technology distribute the ideal amount of comfort, support and relief for the entire stride that causes stress and fatigue to your arch, heel, knee, leg and lower back area. Ultimately Open Cell PU Foam Technology both strengthens your feet while providing the right amount of dynamic underfoot support. 

1. (SNFT) Schumann Resonance Technology

  • Re-energises feet
  • Increases blood circulation and oxygenation
  • Reduces muscle stress, fatigue, soreness and numbness

2. AridTech Fabric

  • Anti-fungal, Anti-bacterial and Anti-Odour
  • Non-slip fabric
  • Wicks away moisture for enhanced foot comfort and health


  • Absorbs and dissipates impact shock
  • Provides the most sophisticated
  • protection against impact injuries

4. ASER Gel

  • Provides advanced forefoot shock absorption
  • Delivers maximal energy return for the most efficient toe-off

5. SSSER Gel

  • Supreme heel and midfoot cushioning
  • Absorbs high impact shock
  • Minimises impact initiated injuries, juddering, fatigue and pain