Leo Bideford ISO 20471 Class 1 Cargo Trouser Orange. Railway Group Standard RIS-3279-TOM. Triple Stitched Main Seams. Quadruple Stitched Reflective Tape. Cargo Style Leg Pockets with Reflective Piping. Internal Knee Pad Pockets. Back Pocket with Reflective Piping. Side Waist Elastic. 7 Belt Loops. 280gsm Poly/Cotton with Water and Stain Repellent Finish. 80% Polyester / 20% Cotton. Metal Button with YKK Zip Fly.