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Castelli Idro 3 JacketCastelli Idro 3 rear viewCastelli Idro 3 pulled openCastelli Idro 3 close up of collarCastelli Idro 3 side rear viewCastelli Idro 3 goretex logoCastelli Idro 3 side view
  • Castelli Idro 3 Jacket
  • Castelli Idro 3 rear view
  • Castelli Idro 3 pulled open
  • Castelli Idro 3 close up of collar
  • Castelli Idro 3 side rear view
  • Castelli Idro 3 goretex logo
  • Castelli Idro 3 side view

CASTELLI Idro 3 Jacket

$259.99

-30%
Payment methods accepted: Diners, JCB, Amex, MC, Visa, Discover, Apple, Google, Paypal
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Ships From Guelph, ON
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Free Shipping Canada-Wide $50+
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Features
  • The lightest and most packable fully waterproof Castelli GORE-TEX® jacket
  • GORE-TEX® SHAKEDRY™ product technology sheds water yet offers unmatched breathability
  • 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® waterproof zipper slides easily for ventilation adjustments
  • Internal wrist gaiter seals wrist and integrates with glove to keep water out
  • The Castelli Idro 3 is a snug fit: consider sizing up or ask us for help
Overview
Additional Info

CASTELLI Idro 3 Jacket

The Castelli Idro 3 jacket is a real game changer. To call it a rain jacket is only touching the surface. While it’s an outstanding rain jacket, many cyclists ended up using it 95% of the time in dry conditions because it’s so compact that it’s always easy to have it in your center pocket, ready to put on for a long, cold descent, or to cover up at a coffee stop, or to keep some heat in while waiting for the other guys to show up for the ride.

Castelli named this jacket Idro 3, which at first doesn’t say much, but let’s break it down. Idro is Italian for hydro, meaning having to do with water. Or in this case, keeping water from coming in while letting sweat escape. It does both very, very well. The 3 in the name indicates this is the third iteration of this product, and nearing the maximum of what’s possible with a shell jacket.

There’s a big innovation on the back, with a large high-stretch GORE-TEX® panel that allows for a trim fit (i.e., no flapping fabric, so you can just ride away from your riding companions), yet the jacket expands to fit around loaded pockets — or to fit normal people with a bit of a gut. Beyond the stretch panel, Castelli carefully refined the fit, the finishing construction, the large reflective panels, and especially the wrist closures with a new internal gaiter.

Castelli made this jacket to be as fully featured as possible when you wear it, but it will spend a lot of time in a pocket on those days when it might rain or when you just need it to cover up on long alpine descents. It weighs less than many jerseys and stashes away to occupy only half a jersey pocket. There is one drawback: the fabric is so lightweight that it is a little bit fragile, so treat it with care. It’ll be one of the most important pieces in your cycling wardrobe.

WHAT IT IS
The Castelli Idro 3 is a fully waterproof, highly breathable, and extremely lightweight and packable (half a pocket) jacket featuring an innovative fit system is perfect for any rain ride or long descent. It can also be used as a base layer in the fall and early winter cycling season.

Castelli men's size chart

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