SieviAir R2 Roller S1 str. 42 Size:44 Insulated press-in socket: SEB4-F/A

Insulated press-in socket: SEB4-F/A

05059660001 is described by WERA as extra-rigid/tough (zähhart) for universal use

05° and documented accuracy ±0

Sievi Roller has a patented easy-to-use and durable Boa® tightening mechanism

SieviAir R2 Roller S1 str. 42 Size:44 Insulated press-in socket: SEB4-F/A. Sievi AirRacer shoe with BOA closure. The SieviAir sole conducts moisture and heat away from the foot, providing more than 30% better breathability through the ventilation ducts in the side of the sole. Sievis FlexEnergy absorbs the kinetic energy created, providing over 55% return energy. FlexEnergy is the same ultra light and shock absorbing sole material that is used in running shoes.