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Ace Marks Greg size guide

Penny Loafer Avio Antique And Black Leather

Our tool compares official Ace Marks size charts to find your perfect size. No measuring needed.

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Does the Ace Marks Greg run small or large?

Fit guidance comes from our community and the sizes owners report to us. We do not hold any for the Ace Marks Greg yet. By adding shoes you own you are helping our community extend the coverage. Add your shoes

Ace Marks has not published a size chart for the Ace Marks Greg. What you see above is the brand's general chart, which covers the whole range rather than this model.

Official Ace Marks Size Chart for Greg

This chart covers EU 37 to EU 50, which is feet from 22.6 cm to 31.3 cm long.

This is the official brand-wide Ace Marks size chart. Ace Marks uses the same chart for the Ace Marks Greg as for its other models.

Source: the manufacturer's size guide
Fetched 2026-10-19 07:44:59

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Official Ace Marks Size Chart for Greg
Foot Length UK EU US
22.6 - 22.9 cm 4.5 37 5
22.9 - 23.3 cm 5 38 5.5
23.3 - 23.7 cm 5.5 38.5 6
23.7 - 24.1 cm 6 39 6.5
24.1 - 24.6 cm 6.5 40 7
24.6 - 25.0 cm 7 40.5 7.5
25.0 - 25.4 cm 7.5 41 8
25.4 - 25.8 cm 8 41.5 8.5
25.8 - 26.2 cm 8.5 42 9
26.2 - 26.7 cm 9 43 9.5
26.7 - 27.1 cm 9.5 43.5 10
27.1 - 27.5 cm 10 44 10.5
27.5 - 27.9 cm 10.5 45 11
27.9 - 28.4 cm 11 45.5 11.5
28.4 - 28.8 cm 11.5 46 12
28.8 - 29.6 cm 12.5 47 13
29.6 - 30.5 cm 13.5 48/49 14
30.5 - 31.3 cm 14.5 50 15

Ace Marks publishes this chart as foot length, so the lengths above are the foot each size fits and we use them as published.

US 5 (EU 37) 🇺🇸 US 5.5 (EU 38) 🇺🇸 US 6 (EU 38.5) 🇺🇸 US 6.5 (EU 39) 🇺🇸 US 7 (EU 40) 🇺🇸 US 7.5 (EU 40.5) 🇺🇸 US 8 (EU 41) 🇺🇸 US 8.5 (EU 41.5) 🇺🇸 US 9 (EU 42) 🇺🇸 US 9.5 (EU 43) 🇺🇸 US 10 (EU 43.5) 🇺🇸 US 10.5 (EU 44) 🇺🇸 US 11 (EU 45) 🇺🇸 US 11.5 (EU 45.5) 🇺🇸 US 12 (EU 46) 🇺🇸 US 13 (EU 47) 🇺🇸 US 14 (EU 48/49) 🇺🇸 US 15 (EU 50) 🇺🇸

Frequently Asked Questions

The Ace Marks Greg runs true to size, so it matches standard sizing.

Your Ace Marks Greg 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 Ace Marks size.

Yes, the Ace Marks Greg runs true to size compared to standard Ace Marks sizing. Order your normal size.

Use the size chart above to convert between EU, US and UK sizes for Ace Marks Greg. Each size shows the corresponding foot length in mm so you can see what the charts say.

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What the badges mean

Official

The chart comes from the brand. We read it from a page the brand publishes and we link that page so you can check it.

Model specific chart

The brand publishes this chart for this shoe. Sizes on it apply to the shoe you are looking at.

Brand-wide chart

The brand uses one chart across its range. We show it when the shoe has no chart of its own.

Crowdsourced

Sizes reported by people who own this shoe. The number beside it tells you how many.

Last updated: 2026-10-19 07:44:59