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ASICSGEL QUANTUM KEI - Basketball Man

99,99 €
No reviews
No reviews
Color : Noir
Size: 42

Size guide

It is essential to to know your true shoe size or know how to properly measure your foot before buying shoes online, especially if you are not familiar with the brand in question.

This will save you time, prevent disappointment, and also reduce the emissions generated by the return offer 💚

If in doubt, follow the steps to Find out your exact shoe size in 5 minutes , and check out the blog for guides and tips to find the perfect pair of shoes for your foot type 🦶

Want to try it out? Visit one of our 38 stores ( link ) where our sales advisors will assist you professionally and with all the expertise of a French shoemaker for almost 50 years .

Measure your foot in length and width 📏

Download our pedometers

You can make a foot measuring device yourself at home to measure your foot, or Download the GDC pedometer for free printable, to measure the length and width of your foot, and match the result with the shoe size.

➡️ Download the pedometer length

➡️ Download the width pedometer


Shoe size conversion chart

Now that you have correctly measured your foot and know its length, refer to the conversion chart for find the size you need .

Some brands display the "size" in American (US), British (UK) or Italian (IT) sizes, we have taken care to add them to the table.

You can also measure the width of your foot. For some models, a wider foot may sometimes require a larger size, and if you are still unsure, we advise you to choose the larger size.

If there's a mistake, no worries, returns are free for 30 days! 🔙

WOMEN'S SHOE SIZE CORRESPONDENCE

Foot length
French shoe size
UK shoe size
US shoe size
IT shoe size
22.4 cm
35
2.5
4
34
22.7 cm
35.5
3
4.5
34.5
23 cm
36
3.5
5
35
23.4 cm
36.5
4
5.5
35.5
23.7 cm
37
4
5.5
36
24 cm
37.5
4.5
6
36.5
24.4 cm
38
5
6.5
37
24.7 cm
38.5
5.5
7
37.5
25 cm
39
5.5
7.5
38
25.4 cm
39.5
6
7.5
38.5
25.7 cm
40
6.5
8
39
26 cm
40.5
7
8.5
39.5
26.4 cm
41
7.5
9
40
26.7 cm
41.5
7.5
9.5
40.5
27 cm
42
8
9.5
41
27.4 cm
42.5
8.5
10
41.5
27.7 cm
43
9
10.5
42
MEN'S SHOE SIZE CORRESPONDENCE


Foot length
French shoe size
UK shoe size
US shoe size
IT shoe size

38
5

37

38.5
5.5

37.5
25 cm
39
5.5
6
38
25.4 cm
39.5
6
6.5
38.5
25.7 cm
40
6.5
7
39
26 cm
40.5
7
7.5
39.5
26.4 cm
41
7.5
8
40
26.7 cm
41.5
7.5
8
40.5
27 cm
42
8
8.5
41
27.4 cm
42.5
8.5
9
41.5
27.7 cm
43
9
9.5
42
28 cm
43.5
9.5
9.5
42.5
28.4 cm
44
9.5
10
43
28.7 cm
44.5
10
10.5
43.5
29 cm
45
10.5
11
44
29.4 cm
45.5
11
11.5
44.5
29.7 cm
46
11
11.5
45
30 cm
46.5
11.5
12
45.5
30.4 cm
47
12
12.5
46
30.7 cm
47.5
12.5
13
46.5
31 cm
48
13
13.5
47
31.4 cm
48.5
13.5
14
47.5
31.7 cm
49
14
14.5
48
32 cm
49.5
14.5
15
48.5
32.4 cm
50
15
15.5
49
CHILDREN'S AND BABIES' SHOE SIZE CORRESPONDENCE


Foot length
French shoe size
UK shoe size
US shoe size
9.7 cm
16
0.5
1
10.4 cm
17
1.5
2
11 cm
18
2
2.5
11.7 cm
19
3
3.5
12.4 cm
20
3.5
4.5
13 cm
21
4.5
5
13.7 cm
22
5.5
6
14.4 cm
23
6
6.5
15 cm
24
7
7.5
15.7 cm
25
7.5
8
16.4 cm
26
8.5
9.5
17 cm
27
9
10.5
17.7 cm
28
10
11
18.4 cm
29
11
12
19 cm
30
11.5
12.5
19.7 cm
31
12.5
13
20.4 cm
32
13
1.5
21 cm
33
1
2
21.7 cm
34
2
3
22.4 cm
35
2.5
3.5
23 cm
36
3.5
4.5
23.7 cm
37
4
5
24.4 cm
38
5
6
25 cm
39
6
7
25.7 cm
40
6.5
8
26.4 cm
41
7

You need to pay attention to the size chosen when buying your pairs of shoes; if you don't know the brand, it's often best to measure your foot to make sure you make THE right purchase and avoid having to return them.

In 2021, shoe returns amounted to millions of pairs across all players, resulting in hundreds of thousands of tons of CO2 emissions . in the air, knowing that 20% of the pollution generated by shoes comes from their transport!

Think of the shop!
With its 38 stores, GDC welcomes you year-round and can guide and advise you if you have any doubts about a pair of shoes. If, unfortunately, you made an online purchase and the size isn't right, returns are also free for 30 days 😉

Size guide

It is essential to to know your true shoe size or know how to properly measure your foot before buying shoes online, especially if you are not familiar with the brand in question.

This will save you time, prevent disappointment, and also reduce the emissions generated by the return offer 💚

If in doubt, follow the steps to Find out your exact shoe size in 5 minutes , and check out the blog for guides and tips to find the perfect pair of shoes for your foot type 🦶

Want to try it out? Visit one of our 38 stores ( link ) where our sales advisors will assist you professionally and with all the expertise of a French shoemaker for almost 50 years .

Measure your foot in length and width 📏

Download our pedometers

You can make a foot measuring device yourself at home to measure your foot, or Download the GDC pedometer for free printable, to measure the length and width of your foot, and match the result with the shoe size.

➡️ Download the pedometer length

➡️ Download the width pedometer


Shoe size conversion chart

Now that you have correctly measured your foot and know its length, refer to the conversion chart for find the size you need .

Some brands display the "size" in American (US), British (UK) or Italian (IT) sizes, we have taken care to add them to the table.

You can also measure the width of your foot. For some models, a wider foot may sometimes require a larger size, and if you are still unsure, we advise you to choose the larger size.

If there's a mistake, no worries, returns are free for 30 days! 🔙

WOMEN'S SHOE SIZE CORRESPONDENCE

Foot length
French shoe size
UK shoe size
US shoe size
IT shoe size
22.4 cm
35
2.5
4
34
22.7 cm
35.5
3
4.5
34.5
23 cm
36
3.5
5
35
23.4 cm
36.5
4
5.5
35.5
23.7 cm
37
4
5.5
36
24 cm
37.5
4.5
6
36.5
24.4 cm
38
5
6.5
37
24.7 cm
38.5
5.5
7
37.5
25 cm
39
5.5
7.5
38
25.4 cm
39.5
6
7.5
38.5
25.7 cm
40
6.5
8
39
26 cm
40.5
7
8.5
39.5
26.4 cm
41
7.5
9
40
26.7 cm
41.5
7.5
9.5
40.5
27 cm
42
8
9.5
41
27.4 cm
42.5
8.5
10
41.5
27.7 cm
43
9
10.5
42
MEN'S SHOE SIZE CORRESPONDENCE


Foot length
French shoe size
UK shoe size
US shoe size
IT shoe size

38
5

37

38.5
5.5

37.5
25 cm
39
5.5
6
38
25.4 cm
39.5
6
6.5
38.5
25.7 cm
40
6.5
7
39
26 cm
40.5
7
7.5
39.5
26.4 cm
41
7.5
8
40
26.7 cm
41.5
7.5
8
40.5
27 cm
42
8
8.5
41
27.4 cm
42.5
8.5
9
41.5
27.7 cm
43
9
9.5
42
28 cm
43.5
9.5
9.5
42.5
28.4 cm
44
9.5
10
43
28.7 cm
44.5
10
10.5
43.5
29 cm
45
10.5
11
44
29.4 cm
45.5
11
11.5
44.5
29.7 cm
46
11
11.5
45
30 cm
46.5
11.5
12
45.5
30.4 cm
47
12
12.5
46
30.7 cm
47.5
12.5
13
46.5
31 cm
48
13
13.5
47
31.4 cm
48.5
13.5
14
47.5
31.7 cm
49
14
14.5
48
32 cm
49.5
14.5
15
48.5
32.4 cm
50
15
15.5
49
CHILDREN'S AND BABIES' SHOE SIZE CORRESPONDENCE


Foot length
French shoe size
UK shoe size
US shoe size
9.7 cm
16
0.5
1
10.4 cm
17
1.5
2
11 cm
18
2
2.5
11.7 cm
19
3
3.5
12.4 cm
20
3.5
4.5
13 cm
21
4.5
5
13.7 cm
22
5.5
6
14.4 cm
23
6
6.5
15 cm
24
7
7.5
15.7 cm
25
7.5
8
16.4 cm
26
8.5
9.5
17 cm
27
9
10.5
17.7 cm
28
10
11
18.4 cm
29
11
12
19 cm
30
11.5
12.5
19.7 cm
31
12.5
13
20.4 cm
32
13
1.5
21 cm
33
1
2
21.7 cm
34
2
3
22.4 cm
35
2.5
3.5
23 cm
36
3.5
4.5
23.7 cm
37
4
5
24.4 cm
38
5
6
25 cm
39
6
7
25.7 cm
40
6.5
8
26.4 cm
41
7

You need to pay attention to the size chosen when buying your pairs of shoes; if you don't know the brand, it's often best to measure your foot to make sure you make THE right purchase and avoid having to return them.

In 2021, shoe returns amounted to millions of pairs across all players, resulting in hundreds of thousands of tons of CO2 emissions . in the air, knowing that 20% of the pollution generated by shoes comes from their transport!

Think of the shop!
With its 38 stores, GDC welcomes you year-round and can guide and advise you if you have any doubts about a pair of shoes. If, unfortunately, you made an online purchase and the size isn't right, returns are also free for 30 days 😉

In stock

Free delivery*

Free delivery to a collection point for orders over €149 😍

Delivery within 72 hours* from Monday to Saturday with DPD or Colissimo (choice available for certain destinations). Please allow approximately 48 hours for order preparation. This timeframe may be extended during promotional periods.
*See delivery conditions .

Free delivery*

Free delivery to a collection point for orders over €149 😍

Delivery within 72 hours* from Monday to Saturday with DPD or Colissimo (choice available for certain destinations). Please allow approximately 48 hours for order preparation. This timeframe may be extended during promotional periods.
*See delivery conditions .

Free returns 30 days*

Return your parcel for free within 30 days 😉 to a collection point using a return label.

Even simpler: go directly to one of our 38 stores and make the return or exchange on site (see our Stores ).

Items must be returned in their original packaging and in perfect condition.

WARNING: during promotional periods, or subject to the conditions set out in Article 8 of our General Terms and Conditions , we reserve the right to refund all or part of the return shipping costs or to apply deductions.

🚩 During the sales period:
- Delivery charges are non-refundable
- Return shipping costs apply.

🔄 For returns:
- Return shipping costs by post are payable.
- Return shipping to stores is free
- Return shipping costs are waived in the case of a credit note.

☎️ Customer service remains at your disposal should you need it.

*Learn more about return conditions .

Free returns 30 days*

Return your parcel for free within 30 days 😉 to a collection point using a return label.

Even simpler: go directly to one of our 38 stores and make the return or exchange on site (see our Stores ).

Items must be returned in their original packaging and in perfect condition.

WARNING: during promotional periods, or subject to the conditions set out in Article 8 of our General Terms and Conditions , we reserve the right to refund all or part of the return shipping costs or to apply deductions.

🚩 During the sales period:
- Delivery charges are non-refundable
- Return shipping costs apply.

🔄 For returns:
- Return shipping costs by post are payable.
- Return shipping to stores is free
- Return shipping costs are waived in the case of a credit note.

☎️ Customer service remains at your disposal should you need it.

*Learn more about return conditions .

Local & nearby after-sales service

Available by email via the contact form or via the address serviceclient@gdcboutique.com, or by phone at 0800 123 853 (free service and call), our team answers all your questions.
You can also visit our store to meet our sales advisors, ask them for advice, or even try on an item. And also to make returns or exchanges! 🤩

Local & nearby after-sales service

Available by email via the contact form or via the address serviceclient@gdcboutique.com, or by phone at 0800 123 853 (free service and call), our team answers all your questions.
You can also visit our store to meet our sales advisors, ask them for advice, or even try on an item. And also to make returns or exchanges! 🤩
Trustpilot

Combining performance and urban style, the ASICS GEL QUANTUM KEI sneakers are designed for men seeking comfort and modern style. With their clean design in beige, white, and gray, they easily complement any outfit, from sporty looks to smart casual.

Featuring a synthetic and textile upper, these sneakers offer excellent breathability and support. The lace-up closure allows for a precise fit, while the textile lining and insole provide optimal comfort throughout the day. The synthetic outsole ensures excellent grip and durability for everyday wear.

Thanks to their cushioning inspired by the brand's iconic GEL technology, the ASICS GEL QUANTUM KEI provides effective shock absorption, thus reducing foot fatigue. They pair perfectly with fitted joggers for a sporty look or slim jeans for a more urban style.