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Altra Size Charts

Find your perfect fit with the official Altra size charts

Use these size charts to find the right size for your next pair of Altra shoes. All measurements are in millimeters (mm).

Altra - Female

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Size (EU) Foot Length (mm)
36 220
37 225
37.5 230
38 235
38.5 240
39 245
40 250
40.5 255
41 260
42 265
42.5 270
43 275
44 280
44.5 285

Based On: Altra - Female

Last updated: 2025-07-17 11:28:48

Altra - Male

Unsure about your size? Find your size or check out our detailed guide on how to measure your feet.

Fit Type: True to size

Size (EU) Foot Length (mm)
40 250
40.5 255
41 260
42 265
42.5 270
43 275
44 280
44.5 285
45 290
46 295
46.5 300
47 305
48 310
49 320
50 330
51.5 340

Based On: Altra - Male

Last updated: 2025-07-17 11:28:48