Altra Shoes Size Guide

Men’s Shoe Size Chart

US M	UK	EU	Foot Length (cm)
8	7	41	26 cm.
8.5	7.5	42	26.5 cm.
9	8	42.5	27 cm.
9.5	8.5	43	27.5 cm.
10	9	44	28 cm.
10.5	9.5	44.5	28.5 cm.
11	10	45	29 cm.
11.5	10.5	46	29.5 cm.
12	11	46.5	30 cm.
12.5	11.5	47	30.5 cm.
13	12	48	31 cm.
14	13	49	32 cm.
15	14	50	33 cm.
16	15	51.5	34 cm.

Women’s Shoe Size Chart

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