CASTELLI Free Aero Race 4 Men's Bibshort okly don’t just time your start

don’t just time your start — visualize it

It’s a foolproof way to get to the finish line

vertical oscillation and vertical ratio

alongside detailed insights for improved sleep quality

CASTELLI Free Aero Race 4 Men's Bibshort okly don’t just time your startEngineered for aerodynamics and WorldTour racing performance. The careful choice of fabrics and components and the obsessive attention to detail make this bibshort supremely comfortable even when you don't pin on a number. Product features Vortex dimpled fabric on legs for aero performance Forza fabric on inner legs with 38% Lycra content for perfect fit Stripe mesh engineered minimalist bib construction keeps you cool GIRO4 leg gripper elastic for