Important Shipping Note: U.S. sales only.

Model Number:

The Asics ASX Boy Brief is a soft and seamless brief with a cute fit and functional fabric. Moisture-wicking and stretchy, this little number will add a new level of comfort to your run.


  • Black


  • Seamless fabric technology for superior comfort
  • Flatlock stitch construction reduces chafing
  • Soft and plush knit-in gusset for optimal mobility
  • Tone-on-tone ASICS logo embossed in fabric


  • Hydrology: Body (92% Nylon/8% Spandex), a moisture-wicking, supportive fabric with inherent stretch and softness

Apparel Performance Characteristics

Apparel Fit: What's this?

  • Compression
  • Fitted
  • Semi-Fitted
  • Relaxed

Temperature Range °F: What's this?

  • Cold
    • Below 30
  • Moderate
    • 30-45
    • 40-55
    • 50-65
  • Hot
    • above 65

Fabric Thickness: What's this?

  • Thin
  • Medium
  • Thick

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