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Ultrabold is rated 'Excellent'.
Ultrabold Safety Shoes

Ultrabold safety shoes are packed with the latest protective and comfort innovations. They're so comfortable, you'll want to keep them on your feet every day.

Guarantees and standards

All Ultrabold shoes are EN ISO 20345 certified () and come with our shown guarantee.

About Ultrabold

Ultrabold is a creative brand of innovative, modern, and ultra-resistant safety shoes. Our concept is to create technically perfect products, combined with visionary aesthetics.

Customer reviews

Ultrabold is rated Excellent.

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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