Under Armour

UA Surge 4 AC

Black

Our tool compares official Under Armour size charts to find your perfect size. No measuring needed.

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Foot measurement
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UK 5K (EU 4.5K) 🇬🇧 UK 6K (EU 5.5K) 🇬🇧 UK 7K (EU 6.5K) 🇬🇧 UK 8K (EU 7.5K) 🇬🇧 UK 9K (EU 8.5K) 🇬🇧 UK 10K (EU 9.5K) 🇬🇧
The Under Armour UA Surge 4 AC runs true to size. Order your normal Under Armour size for the best fit.
Foot Length EU UK
0 - 175 mm 1.5K 2K
175 - 185 mm 2.5K 3K
185 - 195 mm 3.5K 4K
195 - 210 mm 4.5K 5K
210 - 220 mm 5.5K 6K
220 - 235 mm 6.5K 7K
235 - 250 mm 7.5K 8K
250 - 260 mm 8.5K 9K
260 - 270 mm 9.5K 10K
270 - 275 mm 10K 10.5K
275 - 280 mm 10.5K 11K
280 - 290 mm 11K 11.5K
290 - 295 mm 11.5K 12K
295 - 300 mm 12K 12.5K
300 - 310 mm 12.5K 13K
310 - 320 mm 13.5 1
320 - 330 mm 1 1.5
330 - 335 mm 1.5 2
335 - 340 mm 2 2.5
340 - 350 mm 2.5 3
350 - 355 mm 3 3.5
355 - 360 mm 3.5 4
360 - 365 mm 4 4.5
365 - 375 mm 4.5 5
375 - 380 mm 5 5.5
380 - 385 mm 5.5 6
385 - 390 mm 6 6.5
390 - 400 mm 6 7
Frequently Asked Questions
The Under Armour UA Surge 4 AC runs true to size. Order your normal size for the best fit.
Your Under Armour UA Surge 4 AC size depends on your foot length and the shoes you currently wear. Use our size finder tool to get a personalized recommendation based on shoes you already own. Alternatively, measure your foot length in cm and use the size chart above to find your Under Armour size.
Yes, the Under Armour UA Surge 4 AC runs true to size compared to standard Under Armour sizing. Order your normal size.
Use the size chart above to convert between EU, US and UK sizes for Under Armour UA Surge 4 AC. Each size shows the corresponding foot length in mm so you can find your perfect fit.

Last updated: 2026-02-08 21:22:30