The 633s by Iron Heart's newest fit, taking their famed 634s and tapering the leg for a smaller leg opening and also lengthening the inseam by a few inches.  This is a jean designed to be a straight leg jean above the thigh and a tapered jean below the thigh.  It was designed for those who need more room around the crotch and upper thigh areas of the jean but still want a tapered leg look with a small leg opening.  You get all the mobility of a straight leg jean and the tapered look of a slim jean at the same time. These also come with a longer than usual inseam length.  The cut on the 633s is a very good one, it's not too slim and not too relaxed. It's cut for mobility and room in the top block while maintaining a slim looking fit due to the small leg opening created by the taper of the leg below the thigh. This jean is made out of Iron Heart's flagship fabric that brings their signature 21 ounce selvedge denim to a straight tapered jean. Iron Heart denim is known for its ultra sheen and extreme durability due to its heavy weight. Almost any other company attempting to produce denim this heavy would end up with a very stiff and rigid fabric, whereas Iron Heart's denim is surprisingly pliable considering its weight. Chain stitched at Self Edge Austin. Had their initial soak and one wash. Gentle fading perhaps a little exaggerated in the pics thanks to my phone's camera. Slight crocking on inside of the cuff. I did my best to show it all. Please look at the pics.