The Official Ergowear Store - Your original source for ergonomically designed men's underwear since 2002

New X4D Underwear - Exquisite Dimension

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Imagine a garment cut in a single piece of the softest and most elastic fabric, with minimal, flat sewing, using only the softest yarn.

The New X4D Thong

is a dream come true: Full support for your genitals, minimal back coverage, no chafing, a clean and sophisticated look. The new X4D underwear line also includes the X4D Bikini and the X4D Mini Boxer. See more

  • X4D
  • microfiber
  • thong
  • bikini
  • mini boxer
  • seamless
  • flatseam
  • pouch