Lightweight. Vibram® heat and oil resistant outsole. FX3 Supreme insole. antistatic properties. padded boot leg edge. breathable insole. Boa® fastening mechanism. quick release. torsion stabilizer. water repellent. specially developed details. poron® XRD® double shock absorbing zones. complies with IEC 61340-5-1 (ESD). antibacterial fiber - reduces odor. protects against the following risks and injuries - toe injuries. nail penetration. dislocations. EN ISO 20345:2011. S3 SRC HRO.