Rottefella MOVE Switch Unit ff and Race 3 is the

and Race 3 is the least resistance/warming (higher intensity)

but stabilty as they help keep you upright while striding

This is a pack of 2 Sport/Asthma filters

By moving the bindings forwards in hard packed snow

Rottefella MOVE Switch Unit ff and Race 3 is the**NOTE** THIS PRODUCT IS ONLY THE UNIT ON THE FRONT AND REQUIRES A MOVE MANUAL BINDING THAT IS SOLD SEPARATELY TO WORK. You probably want one of the MOVE Switch Kits instead. The Rottefella MOVE Switch Unit is the front piece that serves to control binding movement. The MOVE Switch Unit is for all classic skis and can be used in conjunction with all NIS plates, IFP Plates and Rottefella Mounting Plates (RFP) with appropriate adapter (for NIS 1. 0, IFP