Momentum Jacket

# 404 | Men's


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The Ibex Promise
We’re committed to uncompromising craftsmanship and to your satisfaction. If you are unsatisfied for any reason, return your purchase within 60 days with proof of purchase to receive an exchange, repair, or refund. It's our promise.

Recycled PET front and strategically placed Merino panels means the wind in your face won't leave you frozen, while the open-weave back keeps you from overheating. Not just for the bike, either: seen on the trail and in the kayak in every season of the year.

Tech Specs +

  Fit Guide
Fabric Gram Weight:
Garment Weight:
Fiber Content:
Fiber Source:
 New Zealand
Fabric Source:
Garment Source:

Wool Type +


Size & Fit Guide Expand +

How Do I Determine My Size?

We recommend a general body measurement guide to determine your size in Ibex clothing. This sizing chart is not garment specific, but in fact a body measurement chart. Here are some helpful hints when measuring:

Bust/Chest: relax arms at sides, keeping the tape parallel to the floor, measure the fullest part of your bust/chest
Waist: keeping the measuring tape comfortably loose, measure around your natural waistline
Hips: standing with heels together, keep the tape straight and parallel to the floor, measure around the fullest part of hips
Sleeve Length: a 3-point measurement, standing with arms relaxed and slightly bent at sides, measure from the base of the neck to the shoulder and then from the shoulder to the wrist bone, add together measurements
Form-fit: garment designed to fit snug to the body throughout
Semi-fit: garment will be contoured to the body
Regular-fit: garment will not be slim, but also not oversized
Relaxed-fit: garment drapes loosely on body

Still need help determining your size? Call 800.773.9647 or email us at for specific garment measurements.

Customer Photos and VIdeos

Q&A and Reviews

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5.0 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
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1 Star
Excellent windbreaker
I like this best when I'm biking. It blocks wind well without being too warm. On the bike, I use this with a T-zip woolie for temps into the 40s. On a run, the wind isn't as big of an issue, but I tend to be warmer while running so I'll wear it down into the 30s.

My only gripe is with the offcenter chest and rear pockets. Since the jacket is so lightweight, the weight of a phone tugs a bit funny.
January 11, 2012
Excellent cycling jacket
My son uses this jacket to cycle to high school and around the Upper Valley. It is particularly good for him since he doesn't like bright bright colors.... but he is still v. visible to drivers. Good wind resistance but not too heavy for summer mornings of cycling.
May 8, 2012

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