Fabric: EcoViz PCX Stretch Recycled Polyester, a blend of Repreve Recycled Polyester and cotton. Features: Railway Group Standard RIS-3279-TOM, Stretch fabric, Triple Stitched Main Seams, Quadruple Stitched Stretch Reflective Tape, Cargo Style Leg Pockets with Reflective Tipping, Internal Knee Pad Pockets, Back Pocket with Reflective Piping, Side Waist Elastic, Comfort Internal Waistband, 7 Belt Loops, Tethering Point Fastener: Metal Button with YKK Brass Zip Fly Reflective Tape: Retromax+ Premium Reflective Tape ISO 20471 Class: 1