100% Cotton Twill. 4 Row Stitching, 5 Panel Design, Button at Top, Curved Peak, Embroidered Eyelets. Fastening: Adjustable Tear Release Closure. Sustainability: ACCORD, Amfori, BSCI, Fair Wear Approved, PETA-Approved Vegan, REACH, Sustainable Apparel Coalition. Ref: UTPC7979