Sustainability is becoming both a buyer requirement and a brand-positioning lever in workwear sourcing. GRS-certified recycled polyester (RPET), OEKO-TEX 100 Class II chemical safety, BSCI social audits, GOTS organic cotton, water-based screen-print inks. This collection covers what is real in sustainable workwear manufacturing today versus what is greenwashing, and how to build a defensible sustainability story into your custom-workwear program.