Ronhill Core Womens Running Jacket - Yellow Discontinued and Castelli's proprietary Nano Flex

and Castelli's proprietary Nano Flex is often imitated but never equaled

The unique supple pattern combined with 25A rubber compound combines control and comfort in equal measures

It’s a bold statement

Tailor your light output to the conditions with 5 light modes

Ronhill Core Womens Running Jacket - Yellow Discontinued and Castelli's proprietary Nano FlexLightweight, breathable and functional running jacket. Great for a run in the park or on breezy training days. This jacket certainly has more than meets the eye. Designed on a modern block and features neat articulated sleeves. The jacket is really lightweight and breathable with a water resistant finish. The cuffs and hem are semi articulated and the front zip security pocket is easy to access. The jacket features a fleece lined collar, which is soft