97% Polyester, 3% Elastane. 5 Panel Design, 8 Row Stitching, Authentic Sticker, Button at Top, Inner elasticated band, Mid Profile, Pre-Curved Peak, Stitched Ventilation Eyelets, Structured Front Panel. Sustainability: Amfori, BSCI, Ethical Trading Initiative, REACH, Sedex, WRAP Certified. Ref: UTPC3702