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On Running

Ultra Vest 5L - Black

A lightweight, 5-liter trail running vest for short-medium distances.
€149.95
Vorrätig

Includes a built-in hydration system and customizable fit.

Tested by the best. With a 5-liter capacity, this high-performance vest was built for shorter distances. Tested and trialed by ON’s elite team of trail athletes, its thoughtful, minimalist design ensures a seamless experience on any trail, whether racing, training or chasing the high.

Optimized for stability. Ultralight yet tough, the breathable mesh material is tailored to provide a precise fit that stays put, while the patented-pending closure system allows you to adjust the vest's placement to best suit your body. Non-stretch materials minimize bottle bounce for a smooth and comfortable ride.

Easy access to essentials. With two 500 ml Hydrapak® flasks for water, plenty of pockets and a simple fastening system that tightens, the Ultra Vest is packed with all the essentials – and then some. Think additional daisy chain loops that are strategically placed to allow you to attach your poles or quiver bag.

  • Weight: 127g
  • Lightweight mesh for optimal airflow and comfort
  • Additional daisy chain loops so you can attach what you need
  • Strategic non-stretch zones minimize bounce and movement
  • Pockets for valuables, gels and even a light jacket
  • Patent-pending chest closure for a customizable fit
  • Tailored pockets for two 500 ml Hydrapak® flasks
  • Purpose-built trash pocket with easy-to-clean lining
  • Reflective detailing for visibility in low light
On Running
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