I ordered a small in the cargo khaki at first (because I wear small in Nike Snowboarding jacket). The small pant is really frickin small... I mean, the waist is good, but the rest of the leg makes me feel like i'm wearing emo-jeans... guess they would be okay if i had really skinny legs (i'm 5'8", 155 lb). Anyway, I returned the small and got the medium. LOVE'EM! I have like 2" of spare room in the waist, which the tie-strings on the front allow me to get rid of, and now my legs don't feel like they're being strangled. great style by Nike Snowboarding... and PERFECT transactions (returning the small was cake), QUICK shipping (got'em in 3 days... shipped from Utah to California), and BEST price by dogfunk (everywhere else online were selling these for $200... dogfunk currently selling them for $159.95).