Price: $ MSRP: $



This speedy racing flat is sure to be your favorite race day shoe. It's super light and somehow manages to provide cushion and protection. The K-Ruuz is incredibly breathable and offers a sweet fit and feel. You'll get a touch of support, making this shoe versatile. Great for distances from 5k to the half marathon.

Model Number:

Weight: 6.3 oz (size 8)

Stack Height: Heel (21mm), Forefoot (12mm)

How It Fits (based on width B) Width B=Medium

  • Sizing: Standard running shoe length
  • Heel: Medium
  • Midfoot: Medium volume
  • Forefoot: Medium width
  • Toe-Box height: Medium
  • Arch Structure: Medium height

Product Lifecycle

  • Release date: January 2010
  • Model discontinued: Unknown


Introducing the K-Swiss K-Ruuz, a minimum featured shoe designed for mild overpronation. This lightweight racing flat is intended for faster paced workouts or racing and has a ? overall shape.


  • K-EVA is a blend of EVA engineered to enhance cushioning and durability of the midsole.


  • K-EVA is a blend of EVA engineered to enhance cushioning and durability of the midsole.
  • Dual Density Post is located at the medial midfoot and is a higher density foam intended to reduce the rate of pronation.
  • TPU Insert is located at the bottom of the midfoot and is a thermoplastic unit designed for a smooth heel to toe transition.


  • Open Mesh covers the entire upper and allows moisture and heat to escape from within the shoe.
  • Flow Cool is located at the heel and toe and are perforations in the synthetic material designed for moisture management.
  • Five Stripe Overlays are used at the medial and lateral sides of the upper and are designed to keep the upper snug to the foot.
  • Drainage holes are located along the center of the midsole and are intended for water drainage.
  • Traditional Sockliner
  • Traditional Last


  • Aosta II is utilized at the heel and is a high density rubber designed for outsole longevity.
  • Blown Rubber is positioned at the forefoot and is a lightweight rubber intended for flexibility.

Footwear Performance Characteristics

Pronation Control: What's This?

  • Neutral
    • Min
    • Mod
  • Support
    • Min
    • Mod
    • Max
  • Motion Control
    • Mod
    • Max

Heel-Toe Offset (mm): What's This?

  • 0
  • 1-2
  • 3-4
  • 5-6
  • 7-8
  • 9-10
  • 11+

Stack Height:

  • Barefoot
  • Minimal
  • Low
  • Medium
  • High
  • Maximal


  • Road
  • Road-Trail
  • Hard Trail
  • Varied Trail
  • Soft Trail

Shoe Type:

  • Premium
  • Standard
  • Performance
  • Racing

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