These multi-purpose safety trainers feature increased anti-twist protection to keep ankles and calves free from injury and fatigue. Features and Benefits Extremely lightweight and flexible for user comfort 100% metal-free xenova toe cap reduces heat and cold transference Shoes' side frame offers medial and lateral support for all-round stability Climazone technology regulates shoe temperature for optimum comfort High-tech micro velour perforated construction allows for breathability Virtually seamless design eliminates the pressure points and blisters Removable comfort insole for wearability during prolonged wear Dual-density polyurethane sole delivers excellent shock absorption Free from silicones and phthalates to avoid product contamination Available in a multi-width system to suit all sizes and shapes of feet Elastic laces for quick, individual adjustment Heat-resistant outsole up to temperatures of +120C Standards EN ISO 20345:2011 S1 SRC Approvals ESD