Alpinestars – Volcano Elbow Guard (Bicycle) Innovative elbow protector construction features over injected special developed PU impact absorption material on breathable mesh. Highly breathable stretch mesh panel for fast and easy wear, just slipping over to elbows. Big hole perforation and channeling throughout the protective padding provide a maximum of comfort. Soft stretch edge binding provides high comfort to avoid cutting in edges. Extremely lightweight protection for all riding situations with at maximum of comfort.