THE Lightweight SHIRT
Rostarr edition

Rostarr's unique, one-of-a-kind prints have been featured everywhere from Brooklyn to Bali, from MoMA to the Centre Pompidou. Now, we're bringing Rostarr's ground-breaking work to life on our gear.

Lightweight Shirt


Featherweight and ultra-breathable for all high-sweat conditioning sessions.


  • Permanent silver ion anti-odor treatment
  • Premium featherweight fabric
  • Anti-chafe seams
  • Minimalist, no-bulk construction
  • Micro-ventilation for breathability
  • No-cling fabric
  • Passed testing for over 10,000 anti abrasion rubs
  • Passed testing for over 100 pounds of pressure per square inch

Tech specs

  • 100% Polyester microfiber
  • 95 GSM
Free shipping on orders over $150
90 Day Return Policy
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Developed & Tested by Core Athletes


Drawing off our common ground, this bespoke piece is an abstract calligraphic depiction of New York City: the skyline, runners, water towers, alleys and more all embedded in a poetic expression of chaos. In the middle of the chaos is a translucent circle – a testament to the melting pot singularity of its citizens and the ultimate embodiment of the place that has been most instrumental to the growth of both himself and Ten Thousand.