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GEL-KAYANO 31

As low as $320.00
In stock
Only %1 left
or 4 payments of $80.00 Learn more
STYLE #: 1012B670.100
GEL-KAYANO 31 is rated 4.3 out of 5 by 396.
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Width: Standard - B
Size (US - Womens):
Size Guide | Width Guide
Size Guide
Width Guide

All shoe sizes listed on the website are in US sizes.

Men's/Unisex Shoe Sizes

US UK EU CM US Women
4 3 36 22.5 5.5
5 4 37.5 23.5 6.5
5.5 4.5 38 24 7
6 5 39 24.5 7.5
6.5 5.5 39.5 25 8
7 6 40 25.5 8.5
7.5 6.5 40.5 25.75 9
8 7 41.5 26 9.5
8.5 7.5 42 26.5 10
9 8 42.5 27 10.5
9.5 8.5 43.5 27.5 11
10 9 44 28 11.5
10.5 9.5 44.5 28.25 12
11 10 45 28.5 12.5
11.5 10.5 46 29 13
12 11 46.5 29.5 13.5
12.5 11.5 47 30 14
13 12 48 30.5 14.5
13.5 12.5 48.5 30.75 15
14 13 49 31 15.5
15 14 50.5 32 16.5
16 15 51.5 33 17.5

Men's Work Boot Sizes

US UK EU CM US Women
8.5 7.5 42 26 10
9 8 42.5 26.5 10.5
9.5 8.5 43.5 27 11
10 9 44 27.5 11.5
10.5 9.5 44.5 28 12
11 10 45 28.25 12.5
11.5 10.5 46 28.5 13
12 11 46.5 29 13.5
13 12 48 30 14.5
14 13 49 31 15.5

Women's Shoe Sizes

US UK EU CM US Men
5 3 35.5 22 3.5
5.5 3.5 36 22.5 4
6 4 37 23 4.5
6.5 4.5 37.5 23.5 5
7 5 38 24 5.5
7.5 5.5 39 24.5 6
8 6 39.5 25 6.5
8.5 6.5 40 25.5 7
9 7 40.5 25.75 7.5
9.5 7.5 41.5 26 8
10 8 42 26.5 8.5
10.5 8.5 42.5 27 9
11 9 43.5 27.5 9.5
11.5 9.5 44 28 10
12 10 44.5 28.5 10.5
12.5 10.5 45 28.75 11
13 11 46 29 11.5

Kid's Shoe Sizes

Pre-School (PS): Sizes K10-3 | Grade School (GS): Sizes 1-7 | Toddler (TS): Sizes K4-K9

US EU UK CM
K5 21 K4 13
K6 22.5 K5 14
K7 23.5 K6 15
K8 25 K7 15.5
K9 26 K8 16
K10 27 K9 17
K11 28.5 K10 17.5
K12 30 K11 18.5
K13 31.5 K12 19.5
1 32.5 K13 20
2 33.5 1 21
3 35 2 22
4 36 3 22.5
5 37.5 4 23.5
6 39 5 24.5
7 40 6 25.5

Unsure on size or colour?

We offer 30 day free returns for online purchases. View our Returns Policy here. To speak with an expert, visit us in store or speak to one of our online specialists.

Men/Kids   Women
  2A Narrow
Narrow B Standard
Standard D Wide
Wide 2E Extra Wide
Extra Wide 4E  

The standard (medium) width for women is B, while the standard width for men is D. Shoe boxes and labels will only identify widths other than standard. Within the shoes, wide and narrow widths are identified on the label, underneath the tongue — ie. T005N(2E).

When is additional width needed?

Visible stretching or bulging on the outsides of forefoot materials is a good indicator that additional width may be needed. These sizes are available in many of our Running and Training shoes. In some cases, men can wear women’s styles to achieve a narrow fit and women can wear men’s to get a wide. If this is needed, please use the references above to determine comparable size lengths.

Please note that the differences of width between narrow, standard, wide, and extra wide are usually only a couple millimeters and are proportional to the size of the shoe. Most additional width will be found in the forefoot.
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GEL-KAYANO 31

As low as $320.00
or 4 payments of $80.00 Learn more
STYLE #: 1012B670.100
GEL-KAYANO 31 is rated 4.3 out of 5 by 396.
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Product Details

Move your mind with the GEL-KAYANOâ„¢ 31 shoe.

The GEL-KAYANOâ„¢ 31 focuses on delivering holistic, adaptive stability with premium comfort underfoot. It is ideal for runners looking for a combination of moderate support and high-cushioning during their run.

4D GUIDANCE SYSTEMâ„¢ is found in the midsole. This new technology helps to steady your stride on your run.

PureGELâ„¢ technology improves softness and shock absorption to reduce the impact on your joints and keep you running comfortably.

FF BLASTâ„¢ (FLYTE FOAM BLAST) PLUS ECO foam delivers softer landing and energised cushioning to keep you feeling comfortable on harder surfaces.

The new technical engineered upper material provides comfort and a stable fit.

What is the 4D GUIDANCE SYSTEMâ„¢ ?

Developed at the ASICS Institute of Sport Science (ISS) in Japan, there are four key elements that work together to support your run.

- Midsole geometry and design features including a lateral decoupling groove

- Medial convex geometry

- A newly designed lateral guidance line

- The midfoot foam of FF BLASTâ„¢ (FLYTE FOAM BLAST) PLUS ECO that provides comfort for the fatiguing foot.



Width: B standard - STANDARD

A women’s standard shoe width is B, a wide fit is a D and wider again is 2E. In New Zealand the most common shoe width size* for women in running shoes is a D fit.Find out more about widths.

STYLE #: 1012B670.100

Specs

Surface

Road

Stack height

39-29mm

Weight

266g

Support

Stability

Cushion

Maximum

pronation

Pronation is part of the natural movement of the human body and refers to the way your foot rolls inward for impact distribution upon landing. Understanding your pronation type can help you find a comfortable running shoe. The GEL-KAYANO 31 is made for Overpronation.

Under
Neutral
Over
Severe Over

Overpronation

Foot Type

Low arches or flat feet

PUSH OFF

Big toe and second toe do majority of the work.

HOW YOUR FOOT CONTACTS THE GROUND

The foot lands on outside of heel, then rolls inward (pronates) excessively, transferring weight to inner edge instead of ball of the foot.

Product Feature Image

Rated 5 out of 5 by srrwbva from Great shoe Very comfortable shoe, and the minty green is so pretty!
Date published: 2025-05-06
Rated 5 out of 5 by Meeko from Great shoe Great shoe. Very comfortable. Looks good.
Date published: 2025-05-05
Rated 5 out of 5 by HZelly from Great fit, amazing comfort! This shoe fit exactly as expected. Very comfortable and supportive. Love them!
Date published: 2025-05-05
Rated 5 out of 5 by Anonymous from Extra Stability for Runners with Over-Pronation Excellent for runners who struggle with pain or injury from over-pronation. The extra stability in these shoes have helped mitigate my shin splints and plantar fasciitis. These shoes can feel a bit slow compared to other ASICS shoes (ex. the Novablast 4s or the Superblasts, which I would run before purchasing this shoe), but they are great for helping add that extra stability to shorter distances and easy runs.
Date published: 2025-05-05
Rated 5 out of 5 by Mokis Ama from Great colours It is so worth the money for someone like me who works in an environment that demands standing and walking around. It's like a cushion for my tiny feet. Love it. I would definitely buy it again especially becauae i finally found my size.
Date published: 2025-05-03
Rated 1 out of 5 by Lillian Boudreau from Poor Quality shoe. Already Ripped. I got these shoes about 2 weeks ago and the sole of the shoe has already ripped. For reference, I wear them on the track only for about 2 hours a day. 10 practices under 2 miles a day should not cause this level of deterioration. Ultimately very disappointed in the shoe and ASICS.
Date published: 2025-05-02
Rated 5 out of 5 by klamb from Best running shoe best shoes yet the ankle support is amazing and cushioning is like running on a cloud.
Date published: 2025-05-01
Rated 5 out of 5 by Gemma from Dream shoes Love the Kayano, a dream from the first run. Highly recommend.
Date published: 2025-04-29
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