8.1 oz / 231 g
- Fits true to size.
- Offers an extra wide toe box for increased volume.
- Made of natural, soft leather it can mold to the shape of your foot to provide a custom fit.
- You may remove the insole to gain more volume by approx. ½ size.
- This model shares similar fit and ride characteristics with PHASE. Shoe Finder Size conversion chart
- REALFIT™ last
- Pittards® Armor-Tan® Goatskin leather upper
- Agion™ Antimicrobial mesh lining
- Asymmetric lacing
- No-tongue design
- Reflective details
- IBR (Injected Blown Rubber) outsole
- Rubber toe bumper
- Rubber metatarsal pad
- Zero-drop construction
- Stitch-down construction
- 11mm Forefoot/heel stack height
- 3mm removable Antimicrobial insole


Engineered around the foot from the inside–out, CORE has an asymmetrical design with an integrated tongue and features a perforated Pittards® Armor-Tan® Goatskin leather upper. The combination liner features seamless Agion antimicrobial mesh with a Pittards WR100X Sheepskin leather collar lining for ultimate comfort and performance. With a revolutionary unibody IBR outsole, CORE offers incredible road–feel, and superior anatomical fit. Zero-drop, 11mm stack height.

CORE is built on our revolutionary IBR (Injection Blown Rubber) platform. R02 pushes the boundaries of material technology. IBR offers better abrasion resistance, grip and compression-set than injected EVA with lower density and weight than rubber. This provides a runner with incredible ground feel and running comfort in an amazingly durable, flexible and lightweight complete package.



  • Pushing the boundaries of material technology, IBR (Injection Blown Rubber) offers better abrasion resistance, grip and compression-set than injected EVA, at a much lower density and weight than rubber. This provides runners with excellent groundfeel and outstanding durability, longevity and running comfort in a flexible, lightweight single unit.
  • Agion antimicrobial technology inhibits the growth of bacteria, mold and fungus in or on the surface of the product that and is designed to last for the life of the product. Agion incorporates silver ions as the primary active ingredient which is environmentally friendly and provides continuous, long-lasting protection.

    This antimicrobial protection keeps your footwear fresh by naturally fighting bad smells by killing the bacteria that cause them.
  • The Upper material used on this product is Pittards® Armor-Tan® WR100X® Goat Skin Leather. Thanks to the superb natural properties of leather and combined high tech treatments, runners can enjoy superior fit and responsiveness in all conditions. WR100X® is a unique tanning process. Although water is prevented from getting in, WR100X® leather is still breathable and will allow perspiration and air to pass through leather.

    High performance Pittards® Armor-Tan® WR100X® leather provides-

    Permanent Water Resistance
    Superior Sweat Resistance
    Perfect Softness
    High Durability
    Excellent Breathability