The waterproof, packable jacket to take on all your rides. It's highly breathable and extremely light, with a great fit. Perfect to have if there is a chance of rain or if you just want extra protection 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 Weight 166 g (M) Temperature Range: 4°-18°C / 39°-64°F