Sidi ST Air Men's Street Boots Size:40 and a D-ring retention system

and a D-ring retention system with red quick-release pull tab for speedy removal

The chin vents are formed by two openings located at the front of the helmet at the sides of the shield lock mechanism

and cuffs for heavy-duty protection against wear and tear

Rubberized

Sidi ST Air Men's Street Boots Size:40 and a D-ring retention systemSidi ST Air Men's Street Boots The Street Performer. Developed entirely in house, the Sidi ST Air Boot is a multi functional marvel, adept for diverse riding conditions. This boot is a standout in ventilation, offering a cooler, more comfortable ride. Leveraging over six decades of Sidi's craftsmanship, the ST Air is designed to perform across various scenarios. It comes fully equipped with crucial safety features like sturdy ankle and heel