SIDI Aeron XC Clipless Mountain Shoes - Black, 46.5 co2-and-pressurized-inflation-device the Arch S2 is for

the Arch S2 is for you

Two-piece hollow design allows for the removal of any unwanted material increasing stiffness and reducing weight

We use the best possible materials to guarantee longevity and durability

CNC machined from advanced performance low friction polymer material

SIDI Aeron XC Clipless Mountain Shoes - Black, 46.5 co2-and-pressurized-inflation-device the Arch S2 is forAeron redefines XC performance through advanced construction and precision fit. The ripstop upper with TPU bumpers offers protection without added weight, while dual NUUN 001C dials and external Firmor reinforcement ensure secure, responsive support. A fast adapting instep and UNUM tongue deliver a pressure free fit, complemented by a tool free heel adjuster for fine tuned stability. The sole, with stiffness index 11 and generous rubber coverage,