The SIDI Aertis is a simply better cycling shoe. The premium suede construction is comfortable and SIDI's Firmor technology offers great lateral support. The nylon sole with replaceable rubber insert allows for maximum grip in any situation and increased walking comfort.

• 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
• The toe inserts are easily replaceable and offer the possibility to mount spikes for particularly muddy rides
• Available in Mega-wide width.