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Sievi Active 1 OB size guide

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

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Does the Sievi Active 1 OB run small or large?

Fit guidance comes from our community and the sizes owners report to us. We do not hold any for the Sievi Active 1 OB yet. By adding shoes you own you are helping our community extend the coverage. Add your shoes

Sievi has not published a size chart for the Sievi Active 1 OB. What you see above is the brand's general chart, which covers the whole range rather than this model.

Official Sievi Size Chart for Active 1 OB

This chart covers EU 34 to EU 50, which is feet from 21.2 cm to 32.2 cm long.

This is the official brand-wide Sievi size chart. Sievi uses the same chart for the Sievi Active 1 OB as for its other models.

Source: the manufacturer's size guide
Fetched 2026-10-18 06:37:33

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Official Sievi Size Chart for Active 1 OB
Foot Length UK EU
21.2 - 21.5 cm 2 34
21.5 - 22.2 cm 2.5 35
22.2 - 22.9 cm 3 36
22.9 - 23.6 cm 3.5 37
23.6 - 24.2 cm 4 38
24.2 - 24.9 cm 5 39
24.9 - 25.6 cm 6 40
25.6 - 26.2 cm 7 41
26.2 - 26.9 cm 8 42
26.9 - 27.6 cm 9 43
27.6 - 28.2 cm 10 44
28.2 - 28.9 cm 11 45
28.9 - 29.6 cm 12 46
29.6 - 30.2 cm 13 47
30.2 - 30.9 cm 14 48
30.9 - 31.6 cm 15 49
31.6 - 32.2 cm 16 50

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

EU 35 🇫🇮 EU 36 🇫🇮 EU 37 🇫🇮 EU 38 🇫🇮

Frequently Asked Questions

The Sievi Active 1 OB runs true to size, so it matches standard sizing.

Your Sievi Active 1 OB 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 Sievi size.

Yes, the Sievi Active 1 OB runs true to size compared to standard Sievi sizing. Order your normal size.

Use the size chart above to convert between EU, US and UK sizes for Sievi Active 1 OB. 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: 2026-10-18 06:37:33