- Upper: perfect blend of soft microfiber with ripstop on the toe and quarter area for great abrasion and cut resistance.- Closure: Dual NUUN™ 001C aluminum dials – aerodynamic, precise, and secure fit control- Instep: Anatomical TPU High-Density Instep – reduces pressure and enhances stability- Fit System: heel reinforcement to increase support and stability- Outsole: GR1CC carbon composite with recycled rubber bottom (25% of recycled rubber) – stiffness index 8- Cleat Setup: Independent cleat positioning for custom alignment- Millennium Insole- Replaceable Parts: dials, instep, 4 holes cleat plate, removable insole fit 1 2 3 4 5 6 7 8 9 10 recreational performance stiffness 5 6 7 8 9 10 11 12 min max