Note: This style starts at M. There is no S.
Men: True to size for the intended relaxed fit. M sits at a 28.7" waist.
Women: M is the smallest size, at a 28.7" waist — go by the measurements below. The elastic waistband gives some range beyond the listed figure.
Measurements (full body, inches / cm)
M — Waist 28.7 / 73 · Hip 41.7 / 106 · Length 19.7 / 50
L — Waist 29.9 / 76 · Hip 43.3 / 110 · Length 20.1 / 51
XL — Waist 31.1 / 79 · Hip 44.9 / 114 · Length 20.5 / 52
2XL — Waist 32.3 / 82 · Hip 46.5 / 118 · Length 20.9 / 53
3XL — Waist 33.5 / 85 · Hip 48.0 / 122 · Length 21.3 / 54
4XL — Waist 34.6 / 88 · Hip 49.6 / 126 · Length 21.7 / 55