This Torque 3 boot has perforated upper and is one of the best choice when riding or racing in hot days. 

Practicality and safety are guaranteed by the replaceable magnesium sliders, the protective nylon on the shell, heel, and toe, and the exclusive D-Axial system in TPU that prevents any twisting of the foot.

Comfortable, safe and airy. The best combination that you're after when you spend whole day riding.