2UNDR Flow Shift Boxer

2UNDR Flow Shift Boxer

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The 2UNDR Flow Shift Boxers are ready for your hardest workouts.

These performance boxers are cut from ultralight and quick-drying materials with perforations all over to keep you cool and dry. The patented Joey Pouch® construction supports your equipment while a flatlock seam construction feels smooth against the skin for chafe-free comfort.


  • Patented Joey Pouch® for support and comfort
  • No-Drip-Tip™ with hydrophobic membrane for a dry environment
  • Premium 40 mm roll-resistant waistband
  • Tagless, mid-rise, athletic boxer brief
  • Signature quick access front fly
  • Smooth, chafe-free, flatlock seam construction
  • Quick drying, lightweight performance Poly/Modal blend
  • All-over perforation for dissipation of sweat and added breathability