Waterproof, windproof, super breathable and packable to the size of an orange, the Castelli Idro 3 Jacket (that's "Hydro" to you Anglophones) is the bomb when it comes to a wet weather jacket you can wear all day and never need to take off to quell the sweat. This is Castelli's lightest GORE-TEX rain jacket, with a stretch GORE-TEX Topo back panel for monster breathability and the ability to handle full jersey pockets. If you've truly got that "ride in all conditions" mentality, you're going to want the Castelli Irdo 3 Jacket in your quiver.

GORE-TEX® SHAKEDRY™ Fabric – Extremely light, very breathable, and with the GUARANTEED TO KEEP YOU DRY™ promise. A persistant beading outer face prevents water absorption, so a couple of shakes removed almost all water . . . hence the name.

GORE-TEX® Waterproof Breathable Membrane – GUARANTEED TO KEEP YOU DRY™

The entire lower back is in GORE-TEX® Topo stretch fabric 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® Zipper

Internal Wrist Gaiter Seals Wrist and Integrates with Glove to Keep Water Out