CASTELLI x BLACKSMITH Women's Jersey Size:XS misty mornings of spring to

misty mornings of spring to the dwindling

The Radiant applies that same engineering and testing

including a snub-nosed profile and a large anatomic recess

Perfect View Zoom

the better it shifts

CASTELLI x BLACKSMITH Women's Jersey Size:XS misty mornings of spring toDescription Designed by Blacksmith, made by Castelli. When Castelli engineered the first aero jersey for road racing back in 2006, everyone thought we were crazy. Back then, aero was only for TTs. Performance clothing meant moisture management. And you could win the Tour de France with a baggy jersey that was little more than a polyester T shirt. Even our aerodynamic consultants expected limited gains, so we named the jersey Split Second, though, like