Designed to give superior airflow, the Sidi Rex Air CE motorcycle boots offer Sidi's protection performance with ankle support braces, replaceable sliders, replaceable shin plates and asymmetric heel cups. Made from perforated Technomicro Microfibre, the Rex Air boots are ultra-durable and boast outstanding airflow thanks to Sidi's air ventilation system. Cambrelle and Air Teflon mesh lining keep your feet feeling fresh. The rubber sole gives excellent grip, and Sidi's Tecno-3 push closure system provides a secure and adjustable closure.