Gravel & Gold Colusa Jeans in shasta. NWT. We have found that the Colusa Jeans work unusually well on a range of bodies, in different states of being. The back rise is high, the waistband is flexible, and the legs are roomy with a slight taper at the hem. The cut of the rear is appealing and benevolent. Cut and sewn by skilled workers in Los Angeles, California.