inForm Pro last delivers an ergonomically optimised, high-performance fit;The stiff Silver Series carbon/fibreglass composite sole provides better power transfer;The single Boa IP1 dial allows precise, two-way fit adjustments;Stiffness index 12 of 14;The Tachyon rubber outsole allows great grip in all terrains;Perforated synthetic uppers allow increased breathability and comfort;Asymmetrical design and superior lace routing system reduces top-of-foot pressure for a more secure fit;Durable GnarGuard outer material protects against abrasions and fights debris;