Safety shoes high, light and comfortable U Power of the Red Lion range, with upper in natural nubuck leather, aluminum toecap, ultra-breathable, water-repellent, anti-puncture, anti-slip and PU / PU infinergy. Complies with EN ISO 20345 - S3 SRC CI ESD. The U.Power Lift high cut safety boot with aluminium toe cap features an innersole consisting of soft E-TPU Infinergy. It has an anti-slip durable PU outsole with electrostatic dissipative protection and includes a non-metal pierce resistant Save and FlexPlus system.