It's Waterproof, highly breathable, extremely light and has a great fit.
Perfect to have if there is a chance of rain or to keep with chill off on a long descent.
The lightest and most packable fully waterproof Castelli GORE-TEX® jacket
GORE-TEX® waterproof fabric is fully waterproof yet offers unmatched breathability
The entire lower back is in GORE-TEX® Topo stretch fabric to allow the jacket to expand in diameter if you have a few extra winter kilos or full pockets
Reflective tape on back of both sleeves for high visibility in low-light conditions
YKK® Vislon® waterproof zipper slides easily for ventilation adjustments
Internal wrist gaiter seals wrist and integrates with glove to keep water out
