Waterproof, breathable Clarino microfibre upper i-Shield repels water and dirt, and is resistant to stains Scanner safe, non-metallic composite hardware Lightweight composite toe-cap Fast wicking lining for moisture management and comfort PU insole delivers superior cushioning High traction rubber outsole designed for maximum grip Certified to AS/NZS 2210.3:2019 SB AN WR E HRO SRA Certified to ASTM F 2413-11 Clause 5.5 which details electrical shock resistance under test conditions of 18kV @ 60Hz for 1 minute without disruptive discharge to ground. Any leakage current must not exceed 1mA.