Jalas Zenit Evo Trainers are designed for the best fit for both wide and slim feet. The padded memory foam shaft edge and bellows tongue allow for user comfort, with shock absorption zones reducing fatigue in the foot and lower leg. The Boa fit system reduces the effort of putting on and taking off while speeding up the process of closure and adjustment. Designed to deliver precision fit and quick release, the Boa system is featured in safety shoes for a range of industries, including medical, sports, and workwear. Features and Benefits Plasma treated composite material for nail protection Lightweight for comfort Ventilating insole offering breathable wear Boa fit system lifetime guarantee Typical Applications Dry environments Clean environments Standards EN ISO 20345:2011 S1, P, SRC