Sidi Aertis Mountain Clipless Shoes - Women's, Black/Black, 42

Designed for maximum lateral support the Firmor Closure contours the foot with a solid hold, and allows infinite size adjustment for the ideal individual fit SIDI’s Tecno-3 System dials in fit along the entire length of the shoe, adapting the upper to the shape of the foot for a customized fit The closure uses a new proprietary SIDI Wire monofilament that is completely non-binding for intuitive and effortless on-the-fly adjustments Like most SIDI small parts, the Tecno-3 System is serviceable and replaceable The Sidi MTB SR17 sole represents the ultimate result in terms of stiffness for pedaling and flexibility for walking