Altra

Instinct 4.5

Instinct 4.5
Daily trainer · Neutral · Road
Good (74/100)

Shoe details

Weight
10.8 oz
Release
2018 Q1
MSRP
$110

Ratings & Reviews

Good (74/100)

Based on product-line history, external ratings, and 3 runner ratings.
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This score rates worse than 56% of shoes.

Our ratings use detailed reviews from knowledgeable runners, ratings for shoes in the same product line, and reliable product information from trusted retailers.

Review a shoe.

Rating breakdown

Better Shoes score out of 100. Shading shows the expected rating range.
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Rankings combine runner ratings, whether reviewers say they'd buy a shoe again, direct comparisons to other shoes, related product-line performance, and trusted external ratings.

The darker band shows the central score range. The lighter band shows a wider range of reasonable outcomes. More reviews for this shoe usually narrow both bands.

Overall

Good (74/100)

Overall ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Good (74/100)

Rank

Ranks above 44% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

Comfort

Excellent (92/100)

Comfort ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Excellent (92/100)

Rank

Ranks above 87% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

Cushioning

Above average (86/100)

Cushioning ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Above average (86/100)

Rank

Ranks above 75% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

Durability

Good (70/100)

Durability ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Good (70/100)

Rank

Ranks above 29% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

Value

Good (68/100)

Value ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Good (68/100)

Rank

Ranks above 23% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

Appearance

Bottom-tier (49/100)

Appearance ranking

We estimate how this shoe ranks by combining runner ratings, whether reviewers say they'd buy a shoe again, and direct comparisons to other shoes they've run in. We also consider related product-line performance and trusted external ratings. More review data helps narrow the likely rating range.

Estimate

Bottom-tier (49/100)

Rank

Ranks above <1% of shoes

Compared with all shoes

The shaded band shows the score range we think is most likely.

50%

1/2

Prefer this shoe over another.

Reviewers said this shoe was better than another shoe they ran in.

All Running Shoes

Worse than 56% of 2,526 running shoes ranked.

Good (74/100)

Daily Trainers

Worse than 53% of 1,847 daily trainers ranked.

47%

Altra

Worse than 65% of 126 Altra shoes ranked.

35%

Compared to other shoes

See how this shoe compares to others like it.

Current shoe
Reference shoe
Newest
Lightest / Best overall / Best comfort
Shoe properties
Type
Daily trainer
Daily trainer
Daily trainer
Pronation
Neutral
Neutral
Neutral
Weight
10.8 oz M
10.2 oz M
8.5 oz M Lightest
Stack
19/19mm
40/35mm
Drop
5mm
Release
2018 Q1
2025 Newest
2023 Q1
MSRP
$110
$105 Lower MSRP
$165
Best price
$164.99
Ratings
Overall
Average (44%)
Average (54%)
Exceptional (>99%) Best overall
Comfort
Very good (87%)
Very good (88%)
Exceptional (>99%) Best comfort
Cushioning
Good (75%)
Very good (85%)
Exceptional (>99%) Best cushioning
Durability
Below average (29%)
Bottom tier (10%)
Good (80%) Best durability
Appearance
Bottom tier (<1%)
Bottom tier (<1%)
Very good (81%) Best appearance
Value
Below average (23%)
Below average (38%)
Good (74%) Best value
Specific shoe

Search for the exact model to add to this comparison.

Where to buy

No offers available

Better alternatives

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More from Altra

Reader Ratings

3 reader ratings

Review a shoe

Showing 1–3 of 3 written reviews

Comfortable everyday trainer but will it hold up?

Anonymous runner · Jul 3, 2019

4/5

Overall

I like the zero drop, wide toe box and cushioning for my old man feet and knees. Its a heavier shoe, but the comfort factor more than offsets that for everyday mileage. My only complaint is the durability. Less than 100 miles and the stitching on the upper is already coming apart.
Comfort
5/5
Cushioning
4/5
Durability
3/5
Appearance
4/5
Value
4/5

Totally changed my mind

zunitk · Jul 17, 2018

5/5

Overall

Never been into the whole barefoot movement but after missing two seasons in college for PF, I tried these now as a post collegiate hobby jogger and I love them. I rotate quite a bit but if my feet are ever bothering me, I run in these and I’ve honestly seen PF go away in one run in these.
Comfort
5/5
Cushioning
5/5
Durability
4/5
Appearance
4/5
Value
4/5

Reader review

Anonymous runner · Feb 10, 2018

5/5

Overall

Comfort
5/5
Cushioning
5/5
Durability
5/5
Appearance
4/5
Value
4/5