Calzini Castelli Aero Race Pro 20 2026 Size:L/XL as aesthetically pleasing as it

as aesthetically pleasing as it is high-performing and protective

Fabrics: light soft|mesh dragon

providing greater compatibility with frames with a 135 mm dropout and 410 mm chainstay length

Press-Fit is the preferred standard for the most demanding cyclists

extremely stiff and lightweight Carbon HMX sole for direct energy transfer (stiffness index 9)

Calzini Castelli Aero Race Pro 20 2026 Size:L/XL as aesthetically pleasing as itAn aerodynamic sock without sacrificing the features that make it excellent. Thanks to collaboration with expert Italian knitters and the use of advanced machinery, a structure was created that combines smooth and textured zones to control airflow and reduce aerodynamic drag, without compromising comfort and fit. The result is a comfortable sock that stays in place and offers aerodynamic performance comparable to Lycra ribbed cuffs, with the advantage