An extremely light and packable wind shell that fits close to body, with stretch breathability panels, allowing you extend the temperature range of your favorite Castelli pieces.
Ultralight windproof woven microfiber front and back
Striped mesh fabric at sides and back of sleeves is stretchy to prevent fabric flapping in wind
Folds up extremely small
Integrated stuff sack
YKK® Vislon® top- and bottom-opening zipper
Reflective Castelli logos