Sidi Rex Air Boots The Sidi Rex Air boots offer lightweight yet durable protection tailored for enduro and off-road riders who demand breathability without sacrificing safety. With full-perimeter ventilation, reinforcing materials where it matters, and a sole designed for grip, these boots are ready for heat, trail, and long rides alike. Key Features: Microfiber Reinforced Upper – Durable and flexible construction that stands up to trail wear and tear. Full-Perimeter Mesh Panels – Strategic ventilation channels around the ankle and foot enhance airflow to keep feet cool. Aluminum Buckle Closure System – Four adjustable aluminum buckles provide a secure, customizable fit while reducing weight. Adjustable Shin & Ankle Plates – Protective exoskeleton with replaceable plates shields the shins and ankles from impact. Toe and Heel Reinforcements – Resilient TPU areas protect high-wear zones during aggressive riding. Sidi Off-Road–Specific Sole – High-traction sole with mid-level stiffness supports both riding performance and walkability. Replaceable Liner & Inner Bootie – Moisture-wicking liner can be removed and replaced, extending boot life. CE Certified EN 13634:2017 – Meets European standards for motorcycle footwear protection. Engineered for all-day off-road riding in hot conditions, the Rex Air boots balance airflow, comfort, and protection for demanding terrain.