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The Zoot Ultra Run Biowrap 6" Short (previously the Ultra Run Two in One) features a 4-way stretch woven shell for coverage and mobility, while the built-in BIOwrap brief short delivers targeted muscle support. Mesh insets allow for ventilation, multiple pockets provide storage options, and reflective details increase visibility in low light settings.


  • Black (01)
  • Black w/Yellow (02)


  • Outer shell: approx. 6" inseam, 15.5" outseam (size medium) 
  • Inner brief shorts: approx. 6" inseam, 13" outseam (size medium) 
  • DYNAsilk 4-way stretch woven outer shell provides coverage and increased range of motion
  • Built-in, inner BIOwrap short delivers targeted muscle suppor and reduces muscle vibration
  • Flat, elastic waistband for next to skin comfort
  • Back zipper pocket (approx. 4" zipper, 5"W x 3.5"H)
  • Side holster pockets (approx. 3.5"W x 4"H)
  • Side mesh panels for increased breathability
  • Gusseted mesh crotch for increased range of motion and ventilation
  • Reflective details for increased visibility


  • Outer Shell (88% Polyester/12% Spandex), a synthetic, stretch fabric for optimal mobility
  • Mesh Panels (100% Polyester), a breathable material for ventilation
  • Inner Brief Short (79% Nylon/21% Spandex), a synthetic, stretch fabric for muscle support and moisture wicking

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