Wear your work socks
Measure while standing, with the socks you plan to wear in your boots. Keep your toes relaxed.
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Steel-Toes fit guide · Men
Choosing men's Ariat work boots? Start with your usual US size, compare the measurements below, and check the width offered by the model you want.
Find your size
Match your usual size across US, UK and EU. Foot lengths are approximate reference measurements.
US · UK · EU
| USUnited States | UKUnited Kingdom | EUEurope | Foot cm | Foot in |
|---|---|---|---|---|
| 7 | 6 | 39 | 24.4 | 9.61 |
| 7.5 | 6.5 | 40 | 24.8 | 9.76 |
| 8 | 7 | 41 | 25.2 | 9.92 |
| 8.5 | 7.5 | 41.5 | 25.6 | 10.08 |
| 9 | 8 | 42 | 26.2 | 10.31 |
| 9.5 | 8.5 | 42.5 | 26.4 | 10.39 |
| 10 | 9 | 43 | 27.0 | 10.63 |
| 10.5 | 9.5 | 44 | 27.4 | 10.79 |
| 11 | 10 | 44.5 | 27.8 | 10.94 |
| 11.5 | 10.5 | 45 | 28.2 | 11.10 |
| 12 | 11 | 46 | 28.6 | 11.26 |
| 13 | 12 | 47 | 29.4 | 11.57 |
| 14 | 13 | 48 | 30.5 | 12.01 |
| 15 | 14 | 49 | 31.5 | 12.40 |
Use these measurements as a guide, not a guaranteed fit. Inch values are converted from the centimeter references and rounded. For a closer check, use the printable guides below.
Measure before you buy
Measure while standing, with the socks you plan to wear in your boots. Keep your toes relaxed.
Measure from the back of your heel to your longest toe. Use the larger foot when comparing sizes.
A boot should hold your foot without squeezing it. If the length feels right but the sides feel tight, compare width options.
Print at 100% on US Letter paper. Check the scale marker before measuring.
Ariat width guide
A square toe describes the shape of the boot; it does not automatically mean a wide fit. Width availability depends on the model.
Email us the model, your usual US size, foot length, and whether you normally wear a medium or wide fit. We can help in English or Spanish.
info@steel-toes.comYour next pair
Compare a pull-on, a Chelsea and a lace-up. Each product page lists the sizes and widths available to order.

Pull-on · Composite toe
A square-toe pull-on with waterproof protection and a composite safety toe.
View sizes & widths
Chelsea · Soft toe
Waterproof leather in an easy-on Chelsea. Soft toe, without a safety cap.
View sizes & widths
Lace-up · Steel toe
Waterproof steel toe protection with laces to adjust the fit.
View sizes & widthsSizes, widths and availability vary by style. The product page shows the options you can order.
Before checkout
Small details can make a difference when choosing your next pair.
D is Ariat's standard men's width; EE or 2E is wide. If your usual size feels right in length but tight at the sides, compare the width options for that model.
No. A square toe describes the toe shape. Check the width option separately; different models can feel different even in the same US size.
Check the model and width before adding length. Your toes need room to move without pressing against the safety cap, which will not stretch with wear.
Looking for women's sizes? Women's size chart →
Choose a men's model, then select your US size and width.
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Gear up for demanding tasks with the Ariat men's Intrepid Live Wire Waterproof Composite Toe Work Boot in Black. Engineered with DRYShield waterproofing, EH-rated composite toe protection, and advanced SpiderTEK support, it delivers exceptional traction and all-day comfort. Featuring a convenient U-Turn Entry system for easy wear, this boot is your solution for cutting-edge safety. Order Intrepid Live Wire today and experience innovative performance on the job.
Boost your work boot's longevity with essential care. Dive into our blog for expert tips and shop the best accessories for ultimate boot care. Explore Now!