Ladies tunit outsoles from Caster

Tunit or resin rubber outsoles were developed in the early 1950´s with the purpose to imitate leather. With a base of vulcanized rubber made with synthetic SBR rubber reinforced with styrene resin. Normally it´s produced in sheets and cut into shape.

  • Leather like
  • Flexible
  • Low Cost

It´s generally used for the leather look, abrasion resistance and flexibility. The fact that it generally costs less than leather makes it a popular material for outsoles.

This type of outsole is often reffered to as "German" outsole in China.

Men's tunit outsole