Running gear tends to chase superlatives—lighter, faster, cooler—and Ciele Athletics just landed all three of those with their new FSTCap Elite – Ethereal.

Weighing in at just 1.3oz / 37g, this running cap arrives at nearly half the weight of Ciele’s original GOCap, making it one of the lightest technical hats designed specifically for serious runners.

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A fresh form factor for fast efforts

You can think of the FSTCap Elite as a complete rethink of the running cap design.

The Ethereal introduces an entirely new structure with an integrated brim and minimal back closure, cutting down bulk while maintaining shape and function.

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As you tighten it up at the rear, the side brim takes shape, giving you much better shade protection when compared to a traditional cap.

It still fits securely (S/M 56.5 cm ±), but it feels almost weightless once it’s on your head.

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High-tech fabrics, low-profile design

The FSTCap Elite leans hard into performance materials. You get:

  • TERRAstop ripstop outer fabric treated with a PFC-free DWR for light rain and sweat protection
  • COOLmatic | EXP HOLLOWmesh™ side panels with embedded carbon yarn for next-level temp regulation
  • COOLmatic | PLUS 3Dmesh™ for added breathability and structure
  • Reflective hits for low-light runs
  • Machine-washable construction, because training hats need to be practical too. Make sure you 'hang dry' it though.

Every panel is intentional, with a blend of nylon, recycled polyester, elastane, and carbon mesh to balance airflow, stretch, and structure—whether you’re climbing hills or cruising long miles.

Designed for runners who obsess over the details

At $110, this is piece of gear, that's for sure - I don't think I have ever come across a running hat for that price - but it does deliver something new and unique.

But for runners chasing marginal gains, it offers something rare: a cap that disappears the second you start moving. No bounce, no heat buildup, no extra weight.

And like all of Ciele’s performance gear, it comes with their Million Miles Guarantee, meaning it’s built to hold up through seasons of sweat, sun, and long runs ahead.

Shop FSTCap Elite

The FSTCap Elite – Ethereal is available now at cieleathletics.com and select specialty run retailers.