size

Flux Footwear size chart

Find your perfect barefoot fit — measure your foot for the most accurate match.

US(women)	US(men)	Heel to toe length(inside, in)	Toe box width(inside, in)
6.5	5	8.98	3.44
7	5.5	9.14	3.49
7.5	6	9.31	3.54
8	6.5	9.5	3.59
8.5	7	9.6	3.64
9	7.5	9.8	3.7
9.5	8	10	3.75
10	8.5	10.1	3.8
10.5	9	10.3	3.85
11	9.5	10.5	3.9
11.5	10	10.6	3.95
12	10.5	10.8	4
12.5	11	11	4.05
13	11.5	11.18	4.1
13.5	12	11.3	4.16
14	12.5	11.4	4.2

How to measure: Stand on a piece of paper with your heel against a wall. Mark the tip of your longest toe, then measure heel-to-toe in inches. For the widest part of your foot (toe box), measure across the ball of your foot. Tip: Flux barefoot shoes fit best with a small amount of space at the front of the toe box.