Canvas fabric : 75% Cotton – 25% Nylon – NYCOStretch Fabric: 91% Nylon – 9% ElastaneYKK® Main zipperJeans button for ease of useInner extra safety buttonDWR coating grade 4Windproof shieldMPV 3.000gr2/24h (American Standard)Re-enforced Knee, Ankle patchesInner Kneepads pocketsTriple stitched on stress pointsHand pockets with Re-enforcement fillets for toolsGroin utillity fillet pocket2 side large cargo pocketsElastic tension cords with stoppers on legs