Table 1 Characteristics of orthopedic insoles and shoe soles of novel diabetic therapeutic footwear
Orthopedic insoles | |
 Rigidity | 38 shore C hardness |
 Material | Polyurethane |
 Thickness of forefoot area | 6 mm |
 Thickness of medial arch areas | 12 mm |
 Thickness of lateral arch areas | 8 mm |
 Thickness of heel area | 6 mm |
Shoe soles | |
 Thickness of forefoot area | 12 mm |
 Heel height | 23 mm |
 Midsole | |
  Rigidity | 60 ± 3 shore C hardness |
  Material | Polyurethane |
  Specific gravity | 0.9 |
 Outsole | |
  Rigidity | 60 ± 3 shore A hardness |
  Material | Rubber |
  Specific gravity | 1.1 |
  Thickness | 4 mm |
  Depth of non-slip pattern | 2.5 mm |
  Abrasion resistance | 295 NBS |
  Tension resistance | 142 kg/cm |