At ultratex fabric , we have spent over a decade helping brands across the USA, Eropah, Rusia, and Southeast Asia source high-performance activewear fabrics. One of the most common challenges our clients face is nailing the technical specifications—GSM, lebar, dan regangan. These three parameters directly determine the quality, kos, and end-user experience of the final garment. Dalam panduan ini, I'll walk you through each spec in detail, share real-world lessons from our factory floor, dan...



