- The Main upper material is microfiber
- Perforated microfiber on lateral, medial quarter insert and perforated zone for enhanced ventilation
- Tongue is made with breathable mesh to improve airflow and ventilation
- Breathable textile lining with anti-sliding microfiber suede on the heel
- SP-1 v2 VENTED shoe is Cat 2 CE certified to 89/686/ECC EU directive
Details: A hybrid material - a mixture between hard plastic and soft silicone. A very dense and smooth rubber.