Aero-X fabric moisture-management fabric uses dual-denier Nylon plus spandex for great durability, comfort and fit. Flat-seam construction with contrast side seam. Descente's new molded Spectra Chamois. New silicone and sublimated logo hem gripper with quad leg hem stitching for a pro look. Waist, leg-length, hips and leg openings are specially tailored for women by women.