7-Cycle Deep Indigo Dyeing: This denim undergoes a specialized 7-cycle pure indigo dipping process, ensuring a deep, saturated color core. This technique allows for high-contrast fading, creating sharp "whiskers" and "honeycombs" as the fabric ages. Premium Heavyweight Quality: Crafted from 100% cotton, this 18.25oz heavyweight denim provides superior durability and a rugged, stiff hand-feel, ideal for professional-grade raw denim garments. Authentic Selvedge Detail: Woven on traditional shuttle looms with a classic red and white selvedge ID. The 35±1 inch narrow width is optimized for vintage-style pattern cutting and independent studio bespoke tailoring. Sanforized with Managed Shrinkage: The fabric is sanforized to improve dimensional stability. Please account for a residual shrinkage of -1% to -4% in the warp (length) and 0% to -3% in the weft (width) after the initial wash. Artisanal Slubby Texture: Features a distinct slubby surface character with rich grain. Perfect for creating custom jeans, work jackets, heavy-duty bags, and high-end artisanal denim crafts. Professional Choice for Heavyweight Denim: The premium 18oz selvedge denim designed for high-end production and bespoke denim studios. The 3/1 Right Hand Twill construction balances structural density with an artisanal, textured surface. 7-Cycle Indigo Depth: Unlike standard denim, our 7-cycle pure indigo dyeing process ensures the dye penetrates deep into the yarns while maintaining a white core, the essential requirement for achieving high-contrast fades that professional denim enthusiasts demand. Dimensional Stability: While this denim is Sanforized, it remains a live fabric that reacts to water. For precise tailoring, please factor in the following shrinkage parameters: Warp: -1 percent to -4 percent; Weft: 0 percent to -3 percent. We recommend a cold soak prior to construction to settle the fibers. Specifications: Weight: 18.25 oz / 17.75 oz Width: 35 plus or minus 1 Inch Dyeing: 7-Cycle Pure Indigo Composition: 100 percent Cotton Edge: Red and White Selvedge ID Care Instructions: Initial Wash: Soak in cold water for 30 minutes without detergent to preserve indigo depth. Washing: Hand wash or machine wash cold on a gentle cycle. Wash inside out to prevent streaks. Detergent: Use mild, bleach-free liquid detergent. Do not use fabric softeners. Drying: Line dry in shade. Do not tumble dry. Color Bleeding: Significant color transfer will occur due to 7-cycle dyeing. Wash separately and avoid contact with light-colored fabrics until broken in.