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Designed to keep you comfortable as you push your lungs and legs to the brink of exhaustion, the Arc'teryx Women's Motus Tank top will keep your upper half cool as you put miles behind and vertical feet below yourself. Its Phasic SL fabric actively pulls moisture away from your skin for quick evaporation along the face of the fabric, so you stay cool, dry, and comfortable. A UPF rating of 25 provides some additional protection from the sun, while the shirt's flatlock seams reduce the chance of chafing on those high-mileage days. When you don't have time to run in the mountains, a reflective logo helps you maintain visibility while you push it back to the house in low light conditions.

  • Phasic SL fabric (polyester/polypropylene blend)
  • Moisture-wicking
  • UPF 25 sun protection
  • Slim fit
  • Flatlock seams
  • Reflective logo
  • Reviews
  • Q & A

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Motus Tank Top

  • Familiarity:I've used it several times
  • Fit:True to size
  • Size Bought: XS

Bought this tank top because I wanted a running shirt in this particular shade of blue to complete my look. The color is perfect and the tank actually surpassed my expectations. I figured it would be pretty nice since it's a fancy brand (which I could only afford on Backcountry) and it's actually really great. I completely forget I'm wearing it which is the highest compliment I can pay a piece of running kit.

Fits true to size. One thing I especially like about it is it's a little more modest than most women's running tanks I've worn. Especially the looser fitting ones seem to all be scoop necks so low that my sports bra shows. I think that is the style now but I prefer to not have my bra out. This one is high enough to cover my bra but still allows plenty of air and has a flattering neckline.

I did knock a star off because I think it's over-priced. The sale price here is good but in the end it's just a tank top even if it is my favorite.