13.7oz 100% Cotton 3/1 Twill Denim Fabric | Dark Blue I. Key Features Classic dark blue tone: Pure indigo dark blue with a full, stable shade and a clean surface free from unwanted flecks. Highly versatile, ideal for classic vintage, urban casual and rigid workwear denim lines for both men and women. Medium-heavy weight performance: 13.7 oz/yd² greige, approx. 13.8 oz/yd² finished. The medium-heavy weight provides a crisp, structured silhouette with a strong body and