Women's

Size
 Natural Waist
Hip
XS
24.5 - 25.5 in
34.5 - 35.5 in
S
26.5 - 27.5 in
36.5 - 37.5 in
M
28.5 - 29.5 in
38.5 - 39.5 in
L
30.5 - 31.5 in
40.5 - 41.5 in
XL
33.5 - 34.5 in
43.5 - 44.5 in

Men's

(run's tight - size up if looser fit is preferred)

Size
 Natural Waist
S
26 - 28 in
M
30 - 32 in
L
34 - 36 in
XL
38 - 40 in
XXL 42 - 46 in