Ridgeway is softer than Dainite or Commando, so they've better grip on wet indoors and ice. While crepe also offers great grip, it has a tendency to crack in time. Ridgeway is also softer to walk and makes little noise on any surface, and snow or pebbles won't pack into the wide grooves as easily. In short, it's the best "smart" sole unit I've tried and I will resole all casual pairs with it when the time comes. Oh, and that 94% mark is the rubber content. A shame it's not as widely used in fine footwear as the other soles.