Size chart

Altra size chart

All Altra size charts from our shop, by product type. If you have measured already, we mark your row.

Shoes

Women

US	UK	EU	Foot length (cm)
5.5	3.5	36	22
6	4	37	22.5
6.5	4.5	37.5	23
7	5	38	23.5
7.5	5.5	38.5	24
8	6	39	24.5
8.5	6.5	40	25
9	7	40.5	25.5
9.5	7.5	41	26
10	8	42	26.5
10.5	8.5	42.5	27
11	9	43	27.5
11.5	9.5	44	28
12	10	44.5	28.5
13	11	46	29.5

Manufacturer's note: Persönliche Daten Passwort Zahlungsart ändern Meine Adressen Hilfe Center Meine Bestellungen Retouren Merkzettel Logout

Men

US	UK	EU	Foot length (cm)
7	6	40	25
7.5	6.5	40 1/2	25.5
8	7	41	26
8.5	7.5	42	26.5
9	8	42 1/2	27
9.5	8.5	43	27.5
10	9	44	28
10.5	9.5	44 1/2	28.5
11	10	45	29
11.5	10.5	46	29.5
12	11	46 1/2	30
12.5	11.5	47	30.5
13	12	48	31
14	13	49	32
15	14	50	33
16	15	51.5	34

Manufacturer's note: Persönliche Daten Passwort Zahlungsart ändern Meine Adressen Hilfe Center Meine Bestellungen Retouren Merkzettel Logout

Kids

US (Kids)	EU (Kids)	UK (Kids)	Foot length (cm)
12.5	30	11.5	18.4
13	31	12	19.1
13.5	31	12.5	19.4
1	32	13	19.7
1.5	33	14	20.3
2	33	1.5	20.6
2.5	34	2	21
3	34	2.5	21.6
3.5	35	3	21.9
4	36	3.5	22.2
4.5	36	4	22.9
5	37	4	23.2
5.5	37	5	23.5
6	38	5.5	24.1

Manufacturer's note: Persönliche Daten Passwort Zahlungsart ändern Meine Adressen Hilfe Center Meine Bestellungen Retouren Merkzettel Logout

Based on the manufacturer's chart in the SportFits shop, as of 05/11/2026.