inForm Pro last delivers an ergonomically optimised, high-performance fit. A carbon-reinforced, internal nylon plate with full Tachyon rubber outsole. Boa IP1 dial for precise, two-way adjustment. Stiffness index 7 of 14. The GnarGuard outer protection fights away trail brush and debris. The Women-Specific Design is engineered specifically to yield a better fit and greater comfort for women.