83% Recycled Polyester, 17% Polyester. Fabric: Cationic Dyed, Micro Mesh, Textured. Design: Plain. 135gsm. Fabric Technology: Breathable, Fade Resistant, Lightweight, Quick Dry. Waistline: Drawstring, Elasticated. Inner Brief. Sustainability: Amfori, BSCI, WRAP Certified.