98% Cotton, 2% Elastane. 6 Panel Design, Authentic Sticker, Button at Top, Inner elasticated band, Mid Profile, Pre-Curved Peak, Reinforced Front, Stitched Ventilation Eyelets, Structured Front Panel. Fabric Technology: Flexfit. Sustainability: Amfori, BSCI, Ethical Trading Initiative, Organic, REACH, Sedex, WRAP Certified.