Antistatic Toe Protection Heel energy absorption Composite cap Composite midsole Slip resistant Lightweight "Neo tech" Internal anti debris gaiter REPREVE linings made from post consumer plastic bottles Nano Gravity safety cap (carbon Nano fibre 50% lighter than steel and 40% lighter than composite caps) Light weight and durable Micro fiber upper Double pull loops for easy pull on Neo 2.0 Hybrid Side Zip S1 Safety Boot Black