A4 running shoes

A4 are primarily a manufacturer of team sports clothing based in Vernon, California.

They carry one running shoe, the A4 Zephyr which is a lightweight running shoe.

Information from the company:

  • 7.5 Ounces
  • "A4 Tek" monofilament fiber technology keeps the runner's foot cool and dry in all conditions
  • State of the art Lycra "uni-body" construction offers greater flexibility with seamless comfort
  • One piece construction brings medial support, elasticity and extended movement in the forefoot
  • Welded, not stitched TPU overlays adds support to key foot area without adding weight.
  • Stripped down construction brings slipper like comfort to a lightweight road shoe
  • A double density outsole provides greater cushioning to absorb greater foot strike shock

A4 running shoe

The shoe was promoted to running speciality retailers as a combination with a leg sleeve in the Fall of 2012:

A4 running shoe


  • very little is known about this running shoe
  • Saucony have their Grid Type A4 model of running shoe that may get confused with this one

External Links:
A4 website | Facebook page

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