Reebok low safety shoe S1P SRC ESD Fusion Flexweave Athletic Work, size 43 This shoe has a protective toe cap made of composite material. The Ultraknit and Flexweave upper provides lightweight, durable support with breathability and strength. The Floatride Energy foam midsole is lighter than traditional EVA and offers flexibility, durability and premium comfort. The non-slip outsole is designed with a foot mould for adaptive flexibility. Upper: Ultraknit and Flexweave. Lining: Moisture resistant nylon mesh. Insole: EVA cushioning, removable footbed. Outsole: Non-slip rubber outsole. Midsole: Floatride Energy foam, non-metallic. Special features: Extra wide protective toe cap, 100% non-metallic, ESD. CE category II. EN ISO 20345:2011 S1P SRC ESD.