The Helsinki 3 is S1P, lightweight, ESD and made in Best, Noord-Brabant.The PU PU outsole uses the new 'Beam and Pillar' technology, which gives the best support and ensures that the outsole is extremely durable and shock-absorbing. This technology helps the joints of the metatarsals, which support the arch of the foot when you walk (or stand).Independent research and wear tests show an increase in foot stability, less pressure and more stable pressure in the metatarsals