Size Chart

Tread Labs Size

United Kingdom

European

Japan/China

Men 4-4.5 | Women 5-5.5

3-3.5 35-35.5 22.5-23

Men 5-5.5 | Women 6-6.5

4-4.5 36-37 23.5-23.5
Men 6-6.5 | Women 7-7.5 5-5.5 38-38.5 24-24.5
Men 7-7.5 | Women 8-8.5 6-6.5 39-39.5 25-25.5
Men 8-8.5 | Women 9-9.5 7-7.5 40-41 26-26.5
Men 9-9.5 | Women 10-10.5 8-8.5 41.5-42 27-27.5
Men 10-10.5 | Women 11-11.5
9-9.5

42.5-43.5

28-28.5
Men 11-11.5 | Women 12-12.5 10-10.5 44-44.5 29-29.5
Men 12-12.5 11-11.5 45-46 30-30.5
Men 13-13.5 12-12.5 46.5-47 31-31.5