BASE PLUS is an ankle safety shoe with PU/PU bottom, oil resistant, abrasion resistant, flexible, antistatic, non-slip, shock absorbing. BASE has a simple design, and is extremely comfortable and waterproof. Perfect value for money. UPPER: in black leather, thickness 1.6/1.8 mm LINING: in breathable blue AirMesh fabric, abrasion resistant, thickness 1.2 mm, antibacterial TOE: in ultra-resistant steel ANTI-PERFORATION FOIL: in ultra-resistant steel, highly flexible INSOLE: simple , removable, anatomic, easily adaptable to the sole of the foot INTEROLE: in polyurethane, black color, directly injected into the upper, elastic, shock absorbing SOLE AND TREAD: in polyurethane, gray color, abrasion resistant, non-slip with large anti-mud drains, heel shock absorbing EN ISO 20345: 2011 S3 SRC standard