Inside a Portuguese Clothing Factory

The Glass Factory team visits Pure Cotton, one of Portugal’s premier luxury garment manufacturers. Based in Porto, they specialize in high-end woven garments, working with natural materials and producing for some of the most respected names in European fashion. From precise pattern cutting to flawless stitching and finishing, Pure Cotton delivers exceptional quality across shirts, dresses, and tailored styles. Their approach combines meticulous craftsmanship with a deep understanding of fabric behavior and construction. This is one of the finest cut-and-sew factories in Portugal, and we’re incredibly grateful to Helder and the entire team for giving us full access to their world. You can reach out to this factory directly on https://glassfactory.info if you want to work with them! IG:   / manufacturer   IG:   / glassfactory   TikTok:   / wlasry   TikTok:   / glassfactory.info   Discord:   / discord   Book a consulting session: https://calendly.com/wlasry/60min 0:00 Introduction with Helder, Founder of Pure Cotton 1:18 Knitting Machines and Defect Control Systems 3:00 Open-Width Circular Knitting Innovation 4:40 Why Eliminating Wrinkles Saves Costs and Fabric 5:18 Work Hard Play Hard Philosophy 5:44 Family History and Origins of Pure Cotton 7:24 Industrial-Scale Piece Dyeing 9:03 2,000 Kilo Dye Machines and Fabric Weight Metrics 9:29 Drying, Finishing, and QC Systems 10:59 Lab Testing for GSM, Abrasion, and Color Fastness 12:22 Sustainability and Recycling Fabric Waste 13:21 Jacquard Cutting and Pattern Matching 14:36 Prototype Room and Skilled Seamstresses 16:10 Multi-Step Quality Control in Sewing 16:29 State of Portugal’s Textile Industry 17:33 Helder’s Advice to Fashion Brands