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MENS SI-18 INTERNATIONAL HERITAGE

WHITE/DIRECTOIRE BLUE/VIBRANT ORANGE

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 PU Midsole •Ortholite Sock Liner •Lace Closure

  • 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: 05823-103-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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