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Newton Running Isaac

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Description

  • Video Description View the Video Description for this product! (Please note that the color shown in the video may no longer be available.)
  • Discover a new way of running when you transition from your traditional cushioned shoes into a natural-inspired running shoe like the Isaac from Newton®.

    Adaptation Period:
  • Adjusting to Newton running shoes will depend upon several factors including: your current running shoes, your running form, gait efficiency, as well as your speed and flexibility. Those new to natural running form or those transitioning from a shoe with traditional cushioning will benefit from spending adequate time adjusting. This is because your body will need time to lengthen the muscles and tendons on the back of the leg and under the foot.
  • Newton recommends first-timers walk in their shoes for several days to become accustomed to the level platform. Walking barefoot on safe and comfortable surfaces can also be helpful. Once ready, begin by introducing short runs of no longer than 15 minutes every other day. Gradually add 10-15 minutes as your feet and leg muscles begin to strengthen. If you experience soreness that persists for more than two days, reduce time in shoes immediately. Rest and ice the area until the soreness subsides, then slowly begin introducing time in shoes again.
  • A neutral guidance runner designed for everyday training and slow-paced running. It is the most traditional, structured and supportive shoe in the Newton line, and is designed to help runners new to the natural running experience.
  • Highly breathable closed mesh upper.
  • Lightweight ergonomically placed synthetic overlays.
  • Metatarsal stretch panels.
  • Slip-proof laces with double eyelets that help lock down the heel.
  • Reflective heel hits for increased visibility in low lighting.
  • Plush tongue and collar for added comfort.
  • Fabric lining supplies a soft step-in feel.
  • Accommodates most orthotics.
  • Second-Generation Action/Reaction Technology: A highly responsive, trampoline-like and engaging midsole cushioning that protects and loses less energy with each step.
  • Single-density, high-rebound EVA midsole.
  • Mid-foot support chassis provides enhanced stability.
  • Heel/Forefoot Differential: 5mm.
  • Beveled heel and toe.
  • Met-flex for enhanced forefoot flexibility.
  • Durable carbon rubber outsole supplies reliable traction.
  • Increased toe spring.
  • Pronounced heel rocker.

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Fit Survey:

100% Felt true to size
  • 0% Full size too large
  • 0% Half size too Large
  • 100% True to size
  • 0% Half size too small
  • 0% Full size too small
100% Felt true to width
  • 100% Felt true to width
  • 0% Felt narrower than marked
  • 0% Felt wider than marked
67% Moderate arch support
  • 33% Excellent arch support
  • 67% Moderate arch support
  • 0% No arch support

Item Information

  • Video Description View the Video Description for this product! (Please note that the color shown in the video may no longer be available.)
  • Discover a new way of running when you transition from your traditional cushioned shoes into a natural-inspired running shoe like the Isaac from Newton®.

    Adaptation Period:
  • Adjusting to Newton running shoes will depend upon several factors including: your current running shoes, your running form, gait efficiency, as well as your speed and flexibility. Those new to natural running form or those transitioning from a shoe with traditional cushioning will benefit from spending adequate time adjusting. This is because your body will need time to lengthen the muscles and tendons on the back of the leg and under the foot.
  • Newton recommends first-timers walk in their shoes for several days to become accustomed to the level platform. Walking barefoot on safe and comfortable surfaces can also be helpful. Once ready, begin by introducing short runs of no longer than 15 minutes every other day. Gradually add 10-15 minutes as your feet and leg muscles begin to strengthen. If you experience soreness that persists for more than two days, reduce time in shoes immediately. Rest and ice the area until the soreness subsides, then slowly begin introducing time in shoes again.
  • A neutral guidance runner designed for everyday training and slow-paced running. It is the most traditional, structured and supportive shoe in the Newton line, and is designed to help runners new to the natural running experience.
  • Highly breathable closed mesh upper.
  • Lightweight ergonomically placed synthetic overlays.
  • Metatarsal stretch panels.
  • Slip-proof laces with double eyelets that help lock down the heel.
  • Reflective heel hits for increased visibility in low lighting.
  • Plush tongue and collar for added comfort.
  • Fabric lining supplies a soft step-in feel.
  • Accommodates most orthotics.
  • Second-Generation Action/Reaction Technology: A highly responsive, trampoline-like and engaging midsole cushioning that protects and loses less energy with each step.
  • Single-density, high-rebound EVA midsole.
  • Mid-foot support chassis provides enhanced stability.
  • Heel/Forefoot Differential: 5mm.
  • Beveled heel and toe.
  • Met-flex for enhanced forefoot flexibility.
  • Durable carbon rubber outsole supplies reliable traction.
  • Increased toe spring.
  • Pronounced heel rocker.
View Zappos.com Glossary of Terms

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Customer Reviews

Newton Running Isaac

Write a Review
Overall: Rated: 5 stars! Comfort: Rated:5 stars! Style: Rated:3 stars!
Was this review helpful?

I have always worn Newtons for myself but just ordered them for my husband. He is heavy and has fallen arches. He loves them and can't believe how comfortable they are.

Fit Survey

Runs Small

Runs Large

Felt true to size

Runs Narrow

Runs Wide

Felt true to width

Poor Support

Great Support

Excellent arch support

  • from United States
Overall: Rated: 5 stars! Comfort: Rated:5 stars! Style: Rated:5 stars!
Was this review helpful?

I am really loving these shoes. They are light weight, but still have plenty of support. It took me awhile to get used to them, so make sure to plan for transition time. The Newton website provides a ton of helpful info around changing your stride to reduce injury and get the most out of these shoes.

I'd also recommend: Innov8

Fit Survey

Runs Small

Runs Large

Felt true to size

Runs Narrow

Runs Wide

Felt true to width

Poor Support

Great Support

Moderate arch support

  • from Austin, TX
Overall: Rated: 5 stars! Comfort: Rated:5 stars! Style: Rated:4 stars!
Was this review helpful?

Great shoe. Don't be concerned about the adaptation period. I was a big heel striker and apart from mild strengthening soreness had no problems at all. Very responsive and cushioned. In addition, my knee pain pretty much went away since running in these shoes. Could not be happier. The way things are going I'm expecting to get smarter and better looking pretty soon as well!

Fit Survey

Runs Small

Runs Large

Felt true to size

Runs Narrow

Runs Wide

Felt true to width

Poor Support

Great Support

Moderate arch support

  • from Atlanta
$149.00

Width: D - Medium

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