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MENS SI-18 INTERNATIONAL HERITAGE

BLACK/WHITE/RIBBON RED

Size Guide
  • The Si-18 International Heritage is a reissue of the iconic Si-18 International, originally introduced in 1989 and recognized as a breakthrough design of its era for its tennis-specific footwear technology and high performance capabilities on the court. With signature features like a D-R Cinch lacing system on a premium all-leather upper, heel stability counter and classic K-Swiss branding, including flag emblems at the tongue and heel that represent the four host countries of tennis’ biggest tournament, this throwback sneaker exudes confidence and comfort in winning style whether you’re on the court or on the street.

  • •Leather Upper

    •Textile Collar Lining

    •Molded Rubber Outsole

    •Molded EVA Midsole

    •Die-cut EVA Sock Liner

    •Lace Closure

  • SHIPPING
    KSwiss.com will ship all orders Monday-Friday. Due to Covid-19 all orders received by 11:00AM EST will ship within 48 hours, Monday through Friday. 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.

    RETURNS
    We have extended our online return policy from 30 days to 60 days from shipping date starting March 1, 2020 - May 31, 2020.

    We hope you love your K-Swiss product, but if you’re not completely satisfied, you can return merchandise within 60 days of purchase.

    All products marked as "Final Sale" cannot be returned. Products marked as "Final Sale" are also non-refundable and not eligible for exchange.

STYLE: 05823-028-M

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Size Chart
Adult & Varsity
Men Women Varsity
Length (in 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 & Toddlers
Big Kids Little Kids Toddlers
Length (in 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