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WOMENS SI-18 INTL BIG LOGO

WHITE/CORPORATE

Size Guide

  • First introduced in 1989, the Si-18 International is an iconic representation of K-Swiss’ dedication to honoring athletic heritage while optimizing performance for future design. This reissue of the award-winning mid top combines elements of classic K-Swiss tennis, such as a premium leather upper, with innovative engineering that introduced the world to the groundbreaking Silicone Formula 18 for which the shoe is named. Flag accents adorn the heel and tongue to honor the host countries of the Grand Slam, the biggest tournament in tennis. Along with a vintage ski boot-inspired D-R Cinch lacing system and an asymmetric single-density EVA midsole, the Si-18 International Heritage provides unmatched comfort and support in a timelessly recognizable silhouette.

    • Single density light-weight EVA midsole construction
    • Light-weight rubber outsole with the design DNA of the original shoe.
    • Large embroidery logo on lateral quarter panel
    • TPU shank on the midfoot for stability and support
    • Premium leather upper
    • Flag accents honor Grand Slam Tournament host countries

  • KSwiss.com will ship all orders Monday-Friday. All orders received by 11:00AM EST will ship the Same Business Day, Mon-Fri. Orders placed after 11:00AM EST will ship the following business day. Note that all orders placed after 11:00AM ET on Fridays, Saturday or Sunday will not ship until the Next Business Day.

STYLE: 96725-157-M

Size Chart
Adult and Big-Kids
Gen Men Women Big-Kids
CM US UK EUR US UK EUR US UK EUR
20 1 13.5 32.5
20.25 1.5 1 33
20.5 2 1.5 33.5
21 4 2 34.5 2.5 2 34
21.5 4.5 2.5 35 3 2.5 35
22 5 3 35.5 3.5 3 35.5
22.5 4.5 3.5 37 5.5 3.5 36 4 3.5 36
23 5 4 37.5 6 4 37 4.5 4 37
23.5 5.5 4.5 38 6.5 4.5 37.5 5 4.5 37.5
24 6 5 38.5 7 5 38 5.5 5 38
24.5 6.5 5.5 39 7.5 5.5 39 6 5.5 39
25 7 6 39.5 8 6 39.5 6.5 6 39.5
25.5 7.5 6.5 40 8.5 6.5 40 7 6.5 40
26 8 7 41 9 7 41
26.5 8.5 7.5 41.5 9.5 7.5 41.5
27 9 8 42 10 8 42
27.5 9.5 8.5 42.5 10.5 8.5 42.5
28 10 9 43 11 9 43
28.5 10.5 9.5 44
29 11 10 44.5 12 10 44.5
29.5 11.5 10.5 45
30 12 11 46
30.5 12.5 11.5 46.5
31 13 12 47
32 14 13 49
32.5 15 14 50
Kids
Gen Big-Kids Little-Kids Toddlers
CM US UK EUR US UK EUR US UK EUR
9.5 2 1.5 17
10.5 3 2.5 18.5
11.5 4 3.5 19.5
12 4.5 4 20
12.5 5 4.5 21
12.75 5.5 5 21.5
13 6 5.5 22
13.5 6.5 6 23
14 7 6.5 23.5
14.5 7.5 7 24
15 8 7.5 25
15.25 8.5 8 25.5 8.5 8 25.5
15.5 9 8.5 26 9 8.5 26
16 9.5 9 27 9.5 9 27
16.5 10 9.5 27.5 10 9.5 27.5
17 10.5 10 28
17.5 11 10.5 28.5
17.75 11.5 11 29
18 12 11.5 29.5
18.5 12.5 12 30
19 13 12.5 31
19.5 13.5 13 32
20 1 13.5 32.5 1 13.5 32.5
20.25 1.5 1 33 1.5 1 33
20.5 2 1.5 33.5 2 1.5 33.5
21 2.5 2 34 2.5 2 34
21.5 3 2.5 35 3 2.5 35
22 3.5 3 35.5 3.5 3 35.5
22.5 4 3.5 36
23 4.5 4 37
23.5 5 4.5 37.5
24 5.5 5 38
24.5 6 5.5 39
25 6.5 6 39.5
25.5 7 6.5 40
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