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GEL-QUANTUM 360 VIII

As low as $290.00
In stock
Only %1 left
or 4 payments of $72.50 Learn more
STYLE #: 1203A305.001
GEL-QUANTUM 360 VIII is rated 4.7 out of 5 by 92.
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Width: Standard - D
Size (US - Mens):
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-QUANTUM 360 VIII

As low as $290.00
or 4 payments of $72.50 Learn more
STYLE #: 1203A305.001
GEL-QUANTUM 360 VIII is rated 4.7 out of 5 by 92.
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Product Details

The GEL-QUANTUM 360 VIII sneaker draws inspiration from natural forms and interlocking structures.

Its upper construction is reimagined with 5D print details that resemble ergonomic shapes found in nature. Meanwhile, the advanced TRUSSTIC technology and external back counter help create better stability and a more dynamic appearance.

The shoe's midsole is reimagined with DIVISION SPACE technology that helps provide more cushioning and less weight.

Meanwhile, the FF BLAST PLUS ECO cushioning features at least 20% biomass content that's extracted from sugarcane. This helps create more resilience and more underfoot comfort.

STYLE #: 1203A305.001
Rated 3 out of 5 by Rob360review from Not your traditional 360's I am a long-time purchaser of Quantum 360's. These look incredibly good, fantastic, but after 2 months they are very squishy at the rear and have started ripping already. I have now purchased the Gel-2160 and Kayano 14 and will give them a go.
Date published: 2025-04-23
Rated 5 out of 5 by sn25 from Cool colours and very comfortable I bought a pair of the Gel-quantum 360 last month. They are super comfortable and supportive. The colours are great and they are well made.
Date published: 2025-04-16
Rated 5 out of 5 by Scomo from In the last 5/6 years I’ve never found a better sport shoe. Not only do I have the 360 but I also purchased a pair of lethal flash which are so comfortable. I bought these a week ago, love them like the last pair!
Date published: 2025-04-15
Rated 5 out of 5 by Sue from walking on air Fabulous shoes - my second pair - perfect for overseas travel
Date published: 2025-04-13
Rated 1 out of 5 by Dustin K from Fell Apart Quick Fell completely apart in two months! This is my fifth pair of Quantum 360. I’ve never an issue like this, before. The soles completely blew out.
Date published: 2025-04-12
Rated 5 out of 5 by RobynMH from Fantastic Asics Gel-Quantum at a great price! I recently purchased a new pair of Asics Gel-Quantum runners, as my former pair were old and had started to really wear on the soles. I was able to purchase a replacement pair on the Asics website at a discounted price, as well as accrue additional Qantas points. ;-) I have always worn Asics since commencing personal training over 16 years ago.
Date published: 2025-04-12
Rated 5 out of 5 by Vladamir68 from What a shoe Wow these are insanely comfortable and so stylish. Best show ever worn
Date published: 2025-04-08
Rated 5 out of 5 by Jason j from Best shoes I have bought Really comfortable and looks great, will buy other colors
Date published: 2025-04-06
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