Ultrabold Designed to last
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Ultrabold is rated 'Excellent'.

About Ultrabold

Created in France, Ultrabold is a brand that creates innovative, modern, and ultra-resistant safety shoes. Our concept is to create technically perfect products combined with visionary aesthetics. Ultrabold strives to manufacture footwear collections that define fashion from a different perspective.

Uncompromising attention to detail and quality is combined with an inspired interpretation of today's trends. Ultrabold produces top-of-the-line safety footwear, designed for heavy use and long-term durability. With an international dimension, Ultrabold is now present throughout Europe, parts of Asia, and all of North America.

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Size Guide

How to proceed: Measure the length of your foot, then choose the corresponding size from the chart below.

Help: Measure your foot from the heel to the longest toe. From the chart below, choose the closest size that is equal to or longer than your foot length.

Foot length (cm) Foot length (inch) Europe US UK
23,49.2 35 4 3.5
23,99.4 36 5 4.5
24,49.6 37 5.5 5
24,99.8 38 6 5.5
25,410 39 6.5 6
25,910.2 40 7 6.5
26,410.4 41 8 7.5
26,910.6 42 8.5 8
27,410.8 43 9.5 9
27,911 44 10 9.5
28,411.2 45 11 10.5
28,911.4 46 12 11.5
29,411.6 47 12.5 12
30,011.8 48 13 12.5

Size Guide

How to proceed: The measurements shown are for different body parts. Find your size in the chart below. Scroll the page to see all measurements.

How to measure?
Size Chestcircumference Waistcircumference Hipcircumference
XS 80 - 8831.5 - 35 65 - 7325.5 - 29 80 - 8831.5 - 35
S 88 - 9635 - 37.5 73 - 8129 - 32 88 - 8635 - 37.5
M 96 - 10437.5 - 41 81 - 8932 - 35 96 - 10437.5 - 41
L 104 - 11241 - 44 89 - 9735 - 38 104 - 11241 - 44
XL 112 - 12444 - 48.5 97 - 10938 - 43 112 - 12044 - 47
XXL 124 - 13648.5 - 53.5 109 - 12143 - 47.5 120 - 12847 - 50.5

How do I take my measurements?

1. Chest size (cminch)
With your arms down, measure your chest circumference (1) at the strongest point

2. Waist circumference (cminch)
Measure your natural waist circumference (2) located just above your belly button, at the thinnest point

3. Hip circumference (cminch)
Measure your hip circumference (3) at the widest point

Terms of delivery

Delivery tracking

For all other questions:

Visit the Ultrabold Help Center