Sidi Aeron MTB Shoes - Black

Engineered for the hardest lines AERON redefines XC performance through advanced construction and precision fit. The ripstop upper with rubber bumpers offers protection without added weight, while dual NUUN 001C dials and internal 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, offers powerful traction and efficient energy transfer. Features of the Sidi Aeron MTB Shoes Upper: Ripstop fabric with rubber bumpers – lightweight, tear-resistant, and protective Closure: Dual NUUN 001C aluminum dials – aerodynamic, precise, and secure fit control Instep: Adaptive instep linked to dials – molds to foot for a personalized fit Fit System: Firmor X internal support + tool-free heel adjuster – enhanced foot stability and alignment Tongue: UNUM Ergo anatomical tongue – relieves pressure for consistent comfort Outsole: X2FC full carbon with rubber lugs – stiffness index 11, built for grip, impact support, and efficient power transfer Cleat Setup: Independent cleat adjustment for personalized positioning Replaceable Parts: Heel pads and dials Millennium Fit Details of the Sidi Aeron STABILITY MEETS AIRNESS For XC riders who want lateral stability in a lightweight, ventilated structure TOUGHNESS MADE LIGHT Ripstop and rubber for rugged protection TAILORED FIT MADE SIMPLE Adaptive instep connected to dials LOCKED IN Heel adjuster and Firmor X stability MILLENNIUM FIT A shoe with Millennium Fit has a slightly wider and more spacious shape in the forefoot area. The design offers more space, comfort, and adaptability. You will find a size chart with the images that will help you find the right size for you.