Sir Isaac

Neutral Core Trainer

$149.00

The Sir Isaac Guidance Trainer has been discontinued. If you’re looking for something that offers a similar ride, we think you’ll love our new Fate Core Trainer. The Fate is built on a slightly more flexible platform with our 5 lug technology. Trust us, the Fate is awesome! We hope you try it out and see for yourself! Learn more about the Fate here.

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Product Details

The Sir Isaac Neutral Guidance Trainer has been discontinued

  • Item number • M011513

  • Weight • 10.9

  • Platform •

  • Heel-to-toe drop • 4.5mm

  • EMB • No

  • Upper

    • Highly-breathable closed mesh
    • Slip-proof laces with heel-securing double eyelets
    • Lightweight ergonomic support strapping
    • Metatarsal stretch panels for foot adjustment
    • Reflective logo and heel tab
  • Outersole

    • Durable high-traction actuator lugs
    • Increased toe spring
    • Pronounced heel rocker
    • High-wear carbon rubber with traction tread
  • Midsole

    • Single-density, high-rebound EVA
    • Second generation Action/ReactionTM technology in the midfoot and heel
    • Updated midfoot support chassis for increased flexibility
    • Beveled heel and toe
    • Met-flex enhanced midfoot flexibility
    • Enhanced sock-liner that increases energy return and protection
    • Accommodates most orthotics
  • Green

    • 100% recycled laces, webbing, insole top cover
    • 100% recycled box, packaging
    • 10% recycled outersole rubber
Compare Models
Sir Isaac

Perfect for people who are transitioning from a heel-strike, who like more support or who run/walk. More on finding your foot type Here.

  • Foot type • Neutral
  • A/R Technology • Forefoot & Heel
  • Heel - to - toe drop • 4.5mm
  • Platform
  • Heel • Carbon Rubber
  • EMB • No
Terra Momentum

Perfect for any surface, including roads, off-road and trail running. Great for running any distance or walking. More on finding your foot type Here.

  • Foot type • Neutral
  • A/R Technology • Forefoot
  • Heel - to - toe drop • 4.5mm
  • Platform
  • Heel • Carbon Rubber
  • EMB • No
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