Iron Hearts classic straight jean made from our 21/23oz UHR denim. UHR is an acronym for "Ultra Heavy Raw," an unsanforized and woven fabric, UHR denim starts at 21 ounces and becomes (approximately) 23 ounces after shrinking. The UHR enjoys almost legendary status among lovers and fans of the brand due to its fading potential and the density of the fabric.
Measurements are specific to the product displayed on this page. The best way to determine your size is to measure a similar item that fits you well using the method shown in the "How we Measure" tab and compare with the size chart. Note that Iron Heart items of the same size can vary slightly. If a specific dimension (for example, arm length) is important to you, please ask us to check this by adding a note to your order.