"Excellent Upper Body Support" - Review of CW-X Insulator Pro Zip-T - Long-Sleeve - Men's

I wore this top on several of my long runs while training for an ultramarathon, and then during the race as well. IMO, the support web functions really well. On runs longer than 2 hours, I used to get pain and fatigue in my shoulders and upper back; this top eliminated that by supporting the muscles, reducing bouncing, and improving my posture. It sheds wind and insulates well enough to wear into the low 30s. Any colder, and I would recommend an additional layer
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