Lightest Castelli short-sleeve wind protection
GORE-TEX INFINIUM™ 203 Stretch lightweight fabric on front and sleeves
Nano Flex Light Woven on back for breathable stretch with good water protection
YKK® Vislon® zipper for easy ventilation adjustment on the fly
2 rear pockets with pump sleeve
Gabba-style dropped tail with reflective panel
GORE-TEX INFINIUM™ WINDSTOPPER® garments
Totally windproof. Highly breathable. So you can say yes more often.