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Our offices

Ultrabold
2105 Vista Oeste NW
Albuquerque, NM 87120

You’ve got a question? We’re here.

The Ultrabold adventure will come to an end on January 1st 2023, the whole team would like to thank you deeply for your loyalty. If you have an order in progress, you can always follow the progress of your package via the link in the order confirmation e-mail. If you have any other questions, please do not hesitate to contact us.


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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

In France, standard delivery is free on orders above £35

Delivery tracking

For all other questions:

Visit the Ultrabold Help Center