Ultra Raptor II M 20024 Sirrus 26 provides a fully

Sirrus 26 provides a fully adjustable AirSpeed™ ventilated back system which combines single piece construction of the backpanel and hipbelt with highly breathable suspended mesh

so you can stay focused on the road ahead

Contact back system

stretchy and quick-drying as well as being ultra-breathable and moisture-regulating

Ultra Raptor II M 20024 Sirrus 26 provides a fullyAesthetic re edit of the famous Ultra Raptor model, trail running shoe developed for long distance off road routes and prolonged training sessions. The upper is in highly breathable air mesh fabric and is assembled by integrating a shock absorbing Endurance Platform in soft EVA with differentiated thickness (greater at the toe, lower at the heel) for excellent impact absorption in any situation and reduction of the ramp angle. The rear stabilizing