The sporty Fly professional footwear is the only footwear on the market that complies with the EN ISO 20347 professional footwear standard and now features the FlexEnergy elastic element. The FlexEnergy heel cushioning absorbs the generated kinetic energy and more than 55% of the energy is returned to the step. The breathable 3D-dry® lining and Sievi Comfort insole keep your feet dry and fresh all day long. ESD approved.
