adidas adizero Boston 4 Men's Shoes Zest/Iron

Price: $79.88 MSRP: $110.00

A neutral daily trainer with a lightweight construction and a performance oriented ride, the adidas adizero Boston 4 offers moderate cushioning and a semi-firm ride.

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Nimble and fast, the adidas adizero Boston 4 is a neutral trainer that lives up to its name. Mixing a responsive ride with cushioning that absorbs the miles, this trainer ensures a great run whether you’re on an everyday outing or toeing the line at the world’s most prestigious marathon.

Model Number: D65770

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Weight: 9.1 oz (size 9)

Stack Height: Heel (28mm), Forefoot (17mm)

Available Widths: D=Medium

How It Fits (based on width D)

  • Sizing: Standard running shoe length
  • Heel: Medium to narrow
  • Midfoot: Medium volume
  • Forefoot: Medium
  • Toebox Height: Medium to low
  • Arch Structure: Medium to high
  • Shoe Shape: Curved

INTRODUCTION

The adizero Boston 4 is a moderate feature, moderate neutral shoe designed for speedwork, racing and daily training. This shoe is MiCoach compatible.

CUSHIONING

  • adiPRENE is a resilient EVA-based foam made to cushion the heel on impact.
  • adiPRENE+ is a resilient EVA-based foam made to cushion the forefoot on impact.
MIDSOLE
  • CMEVA consists of compression-molded EVA foam for durable cushioning.
  • Formotion decoupled heel system adapts and moves with each individual's running style for a smooth heel-to-toe transition.
  • Torsion System uses a wishbone shaped thermoplastic unit in the midfoot that allows the forefoot and rearfoot to move independently for increased stability.
UPPER
  • Open Mesh throughout the upper provides breathability.
  • Microsuede upper for a soft feel and smooth fit.
  • Sprintweb is a seamfree fabric web on the upper for lightweight support.
  • Traditional Sockliner provides additional underfoot cushioning.
  • Strobel Last with the upper stitched to full length AdiPrene 45 Foam, for a soft underfoot feel.
OUTSOLE
  • AdiWear is a non-marking carbon rubber in the heel for durable, improved traction.
  • Continental is a rubber compound that provides improved traction on inclines and wet surfaces.

Comments: I logged just over 4000 miles in the boston 3 and developed large calluses on the medial ball of each foot, so the wider toe box of the boston 4 is much appreciated. I slipped the boston 4 on for this mornings 19 mile run. The forefoot feels more firm than the boston 3 and there is less forefoot sole flexibility, which adds stress on the calf muscles. Could this be from fewer striations across the sole? My foot was warm and sweating the whole run, which rarely occurred in the boston 3. I attribute this to a less breathable upper material. The material feels closed off, especially in the toe box. Once again, I have been disappointed with a new model year shoe. I am going to have to find another go-to shoe for everyday, high mile running
From: Anonymous

Comments: The 4 seems to be a tremendous upgrade from the 3. The fit is much better. I had to wear a 12 in the 3 and an 11 1/2 in the 4 is much more comfortable. The 4 has more forefoot cushion but seems more flexible. Both shoes have great response but I think the 4 is faster. I attribute it to the flexibility in the midsole and the upper as well as the slight weight reduction. Admittedly I was skeptical that Adidas had screwed up a great shoe like they did the Ace after the 2nd version. Wrong. Great trainer!!
From: Anonymous

Comments: very comfortable and light
From: Jackie, San Leandro, CA, USA

Comments: After 50 miles in the shoe I can say that I am really happy with them. I am a big fan of the Boston 3's which do feel different than the 4's, but not in a bad way. I like the tongue on the Boston 3's better, and my foot feels more secure in the 3's too. The 4's have a great ride. I've done tempos and a couple medium to long runs in them. The 4's do feel lighter and the upper is very breathable. The 4's are a bit softer than the 3's and you can tell there is a bit more cushion under the ball of your foot. The toe box is wider too. As a trainer, the 4's have been great so far (only a week of use). I will update this if things change. I could use these as a possible marathon shoe. Shoe feels lighter than the 9oz it is. 
From: Andy, Houston, TX

Comments: Have to disagree with Andrew from Atlanta. The toe box on these is noticeably smaller than the Boston 3. I don't know if sizing up a half size will compensate, but I had to send this one back. And I like a snug upper.
From: Drew, Nashville, TN

Comments: Shoe feels about the same weight as the boston 3. Definitely feels more like a trainer than a racing flat, and slower than the 3. It is wider on the sole in the front and heel than the 3, which is probably why it feels slower. Toe box is slightly bigger than the 3's, it also feels slightly more cushioned than the previous model. Depending on what you want out of the shoe, the update is either great or bad.
From: Andrew, Atlanta, GA

Comments: These are incredibly similar to the F50 Runner 2 from what I can see. That's a compliment, even though the F50 marketing never took off in the U.S. Will give these a look in a few hundred miles. 
From: Chris, Boston, MA, USA


Footwear Performance Characteristics

Pronation Control: What's This?

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

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

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

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