Sektor Vented Shoes - Black - US 8.5 - The upper is constructed from a microfiber which is superbly lightweight, durable and abrasion resistant - Strategically positioned perforations for enhanced ventilation and comfort - Flex areas on heel and instep for an enhanced comfort while walking - Strategically positioned metallic mesh vent for improved airflow - Advanced 3D mesh offers ventilation and more comfort - Internal protective toe box and heel counter are positioned under the microfiber outer chassis - Extremely lightweight, specifically compounded, rubber sole provides textured grip, excellent absorption and features an integrated support shank for an enhanced sole rigidity - Replaceable anatomical EVA footbed with lycra lining on top - 3D dimensional ankle protection for improved fit and a lighter weight - Original speed lace system derived from auto racing shoes for a personalized fit and feel - Ankle strap provides secure closure and fits flush within upper ankle polymer protection panel to ensure streamlined finish