SIZE – chacosshoes.com

Size Guide

are designed for adventure. Use the charts below to find your correct size. If you're between sizes, we recommend sizing up for a roomier fit, especially if you plan to wear thicker socks.

Men’s Sizing

US Size	UK Size	EU Size	JP (cm)	Foot Length (in)
7	6	40	25.0	9.6"
7.5	6.5	40.5	25.4	9.8"
8	7	41	25.8	9.9"
8.5	7.5	41.5	26.2	10.1"
9	8	42	26.7	10.3"
9.5	8.5	42.5	27.1	10.4"
10	9	43	27.5	10.6"
10.5	9.5	44	28.0	10.8"
11	10	44.5	28.4	10.9"
11.5	10.5	45	28.8	11.1"
12	11	46	29.2	11.3"
13	12	47	30.0	11.6"
14	13	48.5	30.9	12.0"

Women’s Sizing

US Size	UK Size	EU Size	JP (cm)	Foot Length (in)
5	3	35.5	22.0	8.5"
5.5	3.5	36	22.4	8.7"
6	4	36.5	22.9	8.8"
6.5	4.5	37	23.3	9.0"
7	5	37.5	23.7	9.1"
7.5	5.5	38	24.1	9.3"
8	6	38.5	24.6	9.4"
8.5	6.5	39	25.0	9.6"
9	7	39.5	25.4	9.8"
9.5	7.5	40	25.8	9.9"
10	8	40.5	26.2	10.1"
10.5	8.5	41	26.7	10.3"
11	9	41.5	27.1	10.4"

Kids’ Sizing

Children’s sizes are based on age and foot length. When in doubt, size up.

US Size	UK Size	EU Size	JP (cm)	Age (approx.)
10C	9C	27	16.5	3 – 4 yrs
11C	10C	28	17.3	4 – 5 yrs
12C	11C	29.5	18.1	5 – 6 yrs
13C	12C	31	19.0	6 – 7 yrs
1Y	13C	32	19.8	7 – 8 yrs
2Y	1Y	33.5	20.6	8 – 9 yrs
3Y	2Y	35	21.5	9 – 10 yrs
4Y	3Y	36	22.3	10 – 11 yrs
5Y	4Y	37.5	23.1	11 – 12 yrs
6Y	5Y	38.5	24.0	12 – 13 yrs

Width Guide

Narrow (B)

Snug fit for slim feet. Ideal if you have a low instep or narrow forefoot.

Women’s B

Medium (D)

Our standard width. Fits most feet comfortably with or without socks.

Men’s D · Women’s B

Wide (EE)

Extra room in the forefoot and instep. Great for wider feet or orthotics.

Men’s EE · Women’s D

How to measure: Stand on a piece of paper with your heel against a wall. Mark the tip of your longest toe and measure from the wall to the mark. Use this length in the chart above.

are available in medium (D) and wide (EE) widths for men, and narrow (B) and medium (B/D) for women. If you have a high arch or wide forefoot, consider sizing up or choosing a wide width.

Remember that leather and webbing straps will soften and conform to your foot over time. For the most accurate fit, measure your feet at the end of the day when they are at their largest.