What size should I get in Ariat Terrain H2O?

Shoe Fit calculates your millimeter shoe cavity to recommend your exact size in the Ariat Terrain H2O by comparing against shoes you already own.

AriatWomen's

Terrain H2O

Fit verdict, size conversion guide, and millimeter measurements.

Find Your Size

Fit Analysis & Sizing Advice

Order Your Standard Size

This shoe fits consistent with standard sizing charts. You can comfortably order your usual sneaker size.

Runs Small (–8mm)True to SizeRuns Large (+8mm)

Snug / 1 Size UpStandard fitRoomy / 1 Size Down

Width: Standard Width (Medium). Conforms to standard medium width.

Community Fit Consensus

Aggregated feedback from verified shoe owners

5.0

(6,022 ratings)

71% of wearers report this shoe fits True to Size.

Length Distribution

Runs Small4%

True to Size71%

Runs Large25%

Width Distribution

Runs Narrow3%

Standard Width87%

Runs Wide10%

Complete Size Chart

Showing 14 sizes

EU	US (W)	UK	Foot Length	Cavity Length
35	4.5	2	21.7 cm	233.84 mm
35.5	5	2.5	22.1 cm	237.84 mm
36	5.5	3	22.4 cm	240.84 mm
36.5	6	3.5	22.7 cm	243.84 mm
37	6.5	4	23.1 cm	247.84 mm
37.5	7	4.5	23.4 cm	250.84 mm
38	7.5	5	23.7 cm	253.84 mm
38.5	8	5.5	24.1 cm	257.84 mm
39	8.5	6	24.4 cm	260.84 mm
40	9	6.5	25.1 cm	267.84 mm
40.5	9.5	7	25.4 cm	270.84 mm
41	10	7.5	25.7 cm	273.84 mm
41.5	10.5	8	26.1 cm	277.84 mm
42	11	8.5	26.4 cm	280.84 mm

Frequently Asked Questions

Does the Ariat Terrain H2O run big or small?

Yes, this shoe runs true to size. You should order your typical shoe size. This shoe fits consistent with standard sizing charts. You can comfortably order your usual sneaker size.

How does Shoe Fit determine shoe sizing?

Shoe Fit calculates the real-world interior shoe cavity in millimeters combined with real owner feedback, rather than relying on arbitrary brand charts.

Find Your Exact Size

Already own a shoe that fits well? Shoe Fit cross-references its internal cavity against the Ariat Terrain H2O to give you your personalized size.

Instant recommendation

Accounts for width & stretch

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Compare With Your Shoe

Model Details

BrandAriat

ModelTerrain H2O

Gender SpecWomen's

Sizes Offered14 sizes

Community Rating5.0 ★ (6022 votes)