Premium waterproof suede. Moisture-wicking Super Spacer liner and AEROVENT multi-layer system. EXOLOK TERRA external heel reinforcement increasing lateral stability. Molded TPU protective toe cap. JETBOUND FOOTBED insole in high-rebound dual-density EVA. Bonded OMNICORE TERRA structure, consisting of an anti-perforation plate inserted between high-rebound PU and industrial-grade anti-slip rubber, increasing performance and protection. Composite safety toe, composite plate, electrical shock resistant (ESR), CSA approved, Class 1. TERRA FIRMA-FLEX: no metal elements.