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Women's Stretch Insulator
Born from SYNC’s pursuit of solving problems for athletes through freedom of movement, the Women's Stretch Insulator is the epitome of functionality, breathability, and all-around comfort in a multi-season layer. ...
Reviews
5.0
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Excellent All Around Jacket
I got this jacket for my wife and she loves the fit. She measured a small, but is rather tall and went with a medium. She likes that she can layer a bit under it and still fits under her ski jacket. The jacket is a great all around insulation layer.
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Alfred · October 15, 2025
Great Value Product
I ordered this jacket in November and have only good things to say about it. The jacket functions well as a sweatshirt/mid layer great stretch and fit and is very breathable but not enough to lose out on the warmth. I have also warn this as a jacket 30 degrees and stayed warm on the hill. I plan to use this as a spring/late fall running jacket as well due to its warm yet breathable abilities.
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Amy · January 2, 2025
I have three daughters. One high school racer and two junior racers. I purchased the stretch insulator jacket for each one of them. It is by far the best training jacket available. It is warm but light weight and flexible. My youngest teo daughters like the look so much they wear them to school.