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Devour the competition in the Asics Piranha SP 4. This go-to racer is made with a barely-there upper and super light, low profile midsole, making it the lightest racing shoe in the Asics line.

Sizing Note: Men's sizes only. Women should subtract 1 and a half sizes from their women's shoe size. Example: Women's 8.5 equals size 7.0 for this shoe.

Model Number:

Important Shipping Note: U.S. sales only.

Weight: 4.3 oz (size 9)

Stack Height: Heel (22mm), Forefoot (17mm); non-removable insole

Available Widths: D=Medium

How It Fits (based on width D) 

  • Sizing: Standard running shoe length
  • Heel: Medium to narrow
  • Midfoot: Medium to full volume
  • Forefoot: Medium
  • Toe-Box Height: Medium-low
  • Arch structure: Low
  • Shoe Shape: Semi-Curved

INTRODUCTION

The Piranha SP 4 is a minimum feature, minimum neutral shoe designed for racing.

CUSHIONING

  • To keep weight down, this shoe contains no additional cushioning technologies.

MIDSOLE

  • Solyte is an ultra light, top-of-the-line midsole that delivers durable and responsive cushioning.
UPPER
  • Open mesh on the upper provides breathable coverage.
  • Ecsaine3 Collar Lining encircles the collar and heel in a soft suede-like material, giving the option to run sockless.
  • Standard Sockliner provides additional underfoot cushioning.
  • Slip Lasting involves wrapping and stitching the upper in a bootie-like shape before attaching the upper to the midsole which helps promote flexibility and decreases weight.
OUTSOLE
  • DuoSole provides lightweight, flexible, and durable traction.
  • Racing Outsole provides lightweight traction.

 

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