Visit our Sidi Sizing Information page for complete size conversion info (ladies can use the chart at the bottom of the page). Sidi boots typically fit very consistently from one model to the next and this boot is no exception. We feel the size chart represents the fit very well. Width is “normal”, which is C or D in US shoe sizes.
Sidi Rex Air Boots
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Original Price
$499.99
Current Price
$449.99
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The Rex Air Boot combines trusted protection with optimized ventilation, thanks to its perforated upper, making it ideal for street-level use. Designed to prioritize breathability without compromising safety, this boot maintains the high-performance features of the Rex while offering enhanced airflow. Every detail has been meticulously crafted for superior protection, with high-grade TPU protectors and a fiberglass-reinforced nylon exoskeleton providing essential support. The innovative high-density resin dial system ensures a precise, customized fit, with easy adjustments from both sides. Additionally, the side-slip design enhances rider stability, delivering a secure and confident riding experience.
- Crafted with Technomicro base material for exceptional durability
- Features SIDI's exclusive Tecno-3 Push Closure System for secure and easy fastening
- Elastic panels in front and rear flex areas for maximum comfort during rides
- Perforated design and breathable mesh panels provide superior ventilation, keeping your feet cool and comfortable on extended rides
- Utilizes a single ankle support brace with nylon and fiberglass, providing enhanced ankle joint support
- External ankle support brace includes air vents and small ventilation slots for added breathability
- Nylon inner sole with a removable arch support pad for personalized comfort
- Double stitched in high-stress areas, fully encapsulated heel cup for durability
- Lined with anti-abrasion Cambrelle in the foot area and perforated Teflon-treated nylon for comfort and breathability
- Toe slider made of nylon reinforced with fiberglass, featuring an air intake and alloy insert for performance
- Equipped with a dual compound sole for improved grip and stability
- Includes a DuPont® polymer toe shift pad for added durability and functionality
- EU Declaration of Conformity
