SIZE GUIDE

Men's

US	UK	EU	CM
4	3	36	22.5
4.5	3.5	37	23
5	4	37.5	23.5
5.5	4.5	38	24
6	5	39	24.5
6.5	5.5	39.5	25
7	6	40	25.25
7.5	6.5	40.5	25.5
8	7	41.5	26
8.5	7.5	42	26.5
9	8	42.5	27
9.5	8.5	43.5	27.5
10	9	44	28
10.5	9.5	44.5	28.25
11	10	45	29
11.5	10.5	46	29
12	11	46.5	29.5
12.5	11.5	47	30
13	12	48	30.5
13.5	12.5	48.5	30.75
14	13	49	31
14.5	13.5	49.5	31.5
15	14	50.5	32

Shoe Width

Code	Men's
2A	-
B	Narrow
D	Standard
2E	Wide
4E	Extra Wide

How to Measure

Step 1:
Put a piece of blank paper under your feet. Stand up straight and have your heel lightly touching against the wall.

Step 2:
Have someone mark the end of the longest toe and back of your heel on the sheet with a pen or pencil. Afterwards measure the length of your feet from heel to toe.

Step 3:
Repeat the steps for your other feet and compare it with our size chart.

	WAIST	HIP
XS	26.5"–29.5"	31"–34.5"
S	29.5"–32.5"	34.5"–37.5"
M	32.5"–36"	37.5"–40.5"
L	36"–39.5"	40.5"–43.5"
XL	39.5"–43.5"	43.5"–47"
2XL	43.5"–48.5"	47"–50.5"
3XL	48.5"–53"	50.5"–54.5"

	CHEST	WAIST	HIP
XS	31.5"–34.5"	26.5"–29.5"	31"–34.5"
S	34.5"–38"	29.5"–32.5"	34.5"–37.5"
M	38"–41"	32.5"–36"	37.5"–40.5"
L	41"–44.5"	36"–39.5"	40.5"–43.5"
XL	44.5"–49"	39.5"–43.5"	43.5"–47"
2XL	49"–53.5"	43.5"–48.5"	47"–50.5"
3XL	53.5"–58.5"	48.5"–53"	50.5"–54.5"

Women's

US	UK	EU	CM
4	2	34.5	21.5
4.5	2.5	35	22
5	3	35.5	22.5
5.5	3.5	36	22.75
6	4	37	23
6.5	4.5	37.5	23.5
7	5	38	24
7.5	5.5	39	24.5
8	6	39.5	25
8.5	6.5	40	25.5
9	7	40.5	25.75
9.5	7.5	41.5	26
10	8	42	26.5
10.5	8.5	42.5	27
11	9	43.5	27.5
11.5	9.5	44	28
12	10	44.5	28.5
12.5	10.5	45	28.75
13	11	46	29

Shoe Width

Code	Women's
2A	Narrow
B	Standard
D	Wide
2E	Extra Wide
4E	-

How to Measure

Step 1:
Put a piece of blank paper under your feet. Stand up straight and have your heel lightly touching against the wall.

Step 2:
Have someone mark the end of the longest toe and back of your heel on the sheet with a pen or pencil. Afterwards measure the length of your feet from heel to toe.

Step 3:
Repeat the steps for your other feet and compare it with our size chart.

	WAIST	HIP
2XS	20.5"–23"	30"–32.5"
XS	23"–25.5"	32.5"–35"
S	25.5"–28.5"	35"–38"
M	28.5"–31"	38"–40.5"
L	31"–34.5"	40.5"–43.5"
XL	34.5"–38"	43.5"–47"
2XL	38"–42"	47"–50"

	CHEST	WAIST	HIP
2XS	27"–29.5"	20.5"–23"	30"–32.5"
XS	29.5"–32.5"	23"–25.5"	32.5"–35"
S	32.5"–35"	25.5"–28.5"	35"–38"
M	35"–38"	28.5"–31"	38"–40.5"
L	38"–41"	31"–34.5"	40.5"–43.5"
XL	41"–45"	34.5"–38"	43.5"–47"
2XL	45"–49"	38"–42"	47"–50"

Sources
https://www.asics.com/us/en-us/aligned-size-charts.html

6.5

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8.5

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Move your mind with the GEL-KAYANO® 31 shoe’s adaptive stability and premium comfort. The 4D GUIDANCE SYSTEM™ helps provide adaptive stability. This helps you experience a more supportive and balanced stride during your distance training. Its midsole implements FF BLAST™ PLUS ECO cushioning and PureGEL™ technology. These features make your distance training feel surprisingly smooth and comfortable.

Product Highlights

Engineered mesh upper - Improves breathability
Knit heel pull tab - For easy on and off
4D GUIDANCE SYSTEM™ feature - Helps create adaptive stability for a more balanced stride
Rearfoot PureGEL™ technology - Helps provide lightweight cushioning and softer landings
FF BLAST™ PLUS ECO cushioning is made with approximately 20% bio-based content and helps provide cloud-like comfort
OrthoLite™ X-55 sockliner - Improves comfort
Reflective details - Designed to help improve visibility
Hybrid ASICSGRIP™ - Improves the outsole grip
The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology

Product Details

Weight: 9.4oz / 266g
Stack: 39mm / 29mm
Heel Drop: 10mm
Fit: True to Size
Category: Stability