The Aspen Black Trainers are eco-friendly safety shoes designed for superior comfort, sustainability and protection. Meeting S3 SRC CI ESD standards, they feature a lightweight AirToe Aluminium toecap and a Save & Flex PLUS anti-perforation system made from 59% recycled materials. The abrasion-resistant PU sole, derived from renewable sources, offers excellent grip and energy return with Infinergy technology. A breathable WingTex Green lining and self-moulding WOW Green insole ensure all-day comfort and freshness. Features and Benefits Eco-friendly design with reduced CO emissions Ultra-light AirToe Aluminium toecap for impact resistance Metal-free Save & Flex PLUS anti-perforation system PU sole from renewable sources for durability and grip Infinergy system for enhanced energy return Breathable WingTex Green lining for maximum comfort WOW Green antibacterial, self-moulding insole for long-lasting support Standards S3 SRC CI ESD safety-certified for full protection EN ISO 2