XYXIONGMAOMen's Tactical Cargo Pants Casual Streetwear Techwear Sweatpants Black Hip Hop Joggers Pants for Men

are these us sizes?

Is it stretchy? also i’m pretty tall (6’4) would a large be too short?, i got this pair of other large sweatpants and they fit okay

Im 5"9' weigh about 125 im usually size 30 30 or 28 30 in jeans what size should i get?