-Technomicro is used as a base material.
-Sidi's own Tecno-3 wire entry and closure system.
-Partially vented upper.
-Perforated details to improve ventilation.
-Velcro strap above the instep area.
-Internal shock absorbing heel cup.
-Internal thermoplastic resin ankleball protection cups.
-Internal ankle padding.
-Lined with Teflon mesh on the ankle.
-Reflective points above the heel.
-Double stitched in all high stress areas.
-Cambrelle on the toe and soft mesh on the tongue and gaiter area.
-Durable high grip sole.
-Nylon inner sole with removable arch support.
-Toe shift pad.
Sidi Astro Black Boot
Produced by Sidi of Italy