Heavy-duty trekking, daily commuting, travel Main fabric: 88% nylon, 12% spandex Secondary fabric: 89% nylon, 11% spandex Nylon 66 CORDURA® fabric—abrasion-resistant, tough, windproof and stretchy 3D cutting, 3D knees and 3D hip for unrestricted mobility Zip insert pockets keep your items secured even as strenuous exercise Durably water-repellent treatment 13 stitches/inch and 0.3cm double stitched seams for exceptional tear-resistance Fit: Pro fit