Patagonia Men's Bottoms Size Chart

Size	Waist	Hip
XXS	26 in	32 in
XS	28 in	34 in
S	30 in	36 in
M	33 in	39 in
L	36 in	42 in
XL	39 in	45 in
XXL	42 in	48 in
XXXL	45 in	51 in

* Hips are usually the best size predictor, but if your waist measurement is larger, consider buying the size indicated by your waist.