Designed, developed, and tested by our team of elite runners, the Distance Shirt sets the new standard for high-performance running gear. With a relentless focus on lightness, range of motion, comfort, and fit inspired by the wants and needs of our wear testing team, we designed it to give our runners everything they need – but nothing they don’t. Simply, the ultra-lightweight and breathable Distance Shirt is built to meet the demands of the world record holders, ultra-marathoners, and run community icons that built it.

Distance Shirt



For runners, by runners. The ultimate running top for endurance athletes who prefer a flyweight, minimal feel when they’re stacking miles and chasing PRs. It’s perfect for every session - from easy efforts and long runs to track workouts and race day.


The Distance Shirt underwent a full redesign, featuring a more ergonomic fit and fully bonded hems and seams to eliminate chafing.


  • Ultra-lightweight knit performance fabric
  • Bonded hems and seams for streamlined design and weight reduction
  • Quick drying and moisture wicking for weight reduction and comfort
  • Fit perfected for enhanced comfort
  • Ergonomic angled front seam for maximum range of motion
  • Curved bottom hem for added coverage without restricting movement
  • Extensively tested to ensure no chafing or hot spots
  • Permanent anti-odor

Tech specs

  • 87% Polyester, 13% Spandex
  • 125 GSM
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Developed & Tested by Core Athletes