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World's Lightest Windproof?

New from British brand Montane is the Jetstream, a stunningly light and tiny-packing new weather-resistant jacket that you can strap to your upper arm. How much does it weigh?


Posted: 5 September 2005
by Jon

New from the nice people at Montane is what they say is the world's lightest weather-resistant jacket...

The new Jestream fluttered through our letterbox and landed softly on the doorstep with a resounding thudette. It's tiny and light and very, very minimalist. Made from Pertex's ultra-lightweight Quantum fabric, the Jetstream is totally windproof and, thanks to a DWR - durable water repellant - treatment, also reasonably water resistant.

What you're really wondering though, is just how light and small it is. Well, it comes coccooned in a neat little carrying pouch with a microfleece backing that's designed not to go around your waist, but to strap neatly onto your arm.

The weight, with the carrying pouch is 98 grammes for a large. Without the pouch though, it's an astonishing 77 grammes on the OM digital scales of justice. That's just mad. It's about the same size as a medium satsuma and, packed in its carrying pouch, slightly bigger than the iconic iPod, though it'll keep you significantly warmer...

We haven't used it in anger yet, but the gament incorporates a drop tail along with a close fit for active users, has a full-length zip and reflective dots for safety at night. Based on previous experience, we'd expect excellent breathability from the Pertex Quantum fabric.

It's not designed for use with heavy packs, but if you're after a tiny, stash and forget windproof for, say, running, or biking, then the Jetsream should be right up your sleeve...

In the shops now priced at £60, the Montane web site now has their new autumn / winter 2005 catalogue in dowloadable PDF form, but as it's 5MB, you'd best have broadband or a lot of spare time...


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