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The Marmot Women's Helix 1/2-Zip Long-Sleeve Shirt knows how to keep you comfortable when you pound the trail, hike up a steep embankment, or set up camp. This lightweight, soft, and breathable top features mesh panels and a half-zipper design to ditch excess heat while the Helix's polyester backing wicks moisture away and dries quickly.

  • Lightweight, breathable, and soft performance-knit fabric works well as a layering piece when you tour or backpack and looks great alone when you trail run
  • Polyester backing wicks moisture away and dries quickly, while nylon adds durability
  • Mesh panels and half zipper ditch excess heat
  • UPF 50-rated fabric shields your skin from dangerous UV rays
  • Semi-fitted cut flatters your curves while its raglan sleeves provide unrestricted mobility
  • Drop-tail hem offers increased coverage while flatlock seams and a tag-free neckline add comfort
  • Zippered media pocket stashes your tunes
  • Thumbholes keep the Helix sleeves in place when you layer under your fleece or jacket
  • Reflectivity helps make you visible in low-light conditions
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Great looking but runs large

  • Familiarity: I returned this product before using it
  • Fit: Runs large

I bought this in a size small and I wear a small or extra small in Marmot clothing and it usually fits really well. This was really big. Based on the photo and the description of it being semi-fitted, I thought that it would be slightly tight, but it was really baggy. Maybe I just needed to go down a size, but I still think it would have been too large. It looked great minus the sizing. I think I would have really liked it if it fit.