FXD WD-1 Original Work Denim are made from 10.5 ounce (356 GSM) S-Gene® Denim from Cone Denim™ mills in North Carolina, USA. Cone Denim™ have been a world leader in denim innovation from their American heritage based mills in Greensboro North Carolina since 1891. The FXD WD-1 Original Work Denim features DURA500™ Advanced Nylon and Polyurethane Canvas abrasion panels. DURA500™ is a 500 denier nylon oxford treated with polyurethane for high tensile strength and performance durability. DURA500™ provides long-lasting enhanced tear and abrasion resistance.