Alto Fast Track Legging is a sophisticated pair of women's mesh leggings that's guaranteed to stop them in their tracks. Texture black Suplex paired with a brushed heather grey trim strategically placed to shape every curve. Mesh trim accents. Made of silky to the touch Brazilian Supplex (Polyamide/Elastane) which is fast drying and lots of stretch to adjust to your perfect fit. These black and gray workout leggings have the performance benefits of modern fiber technology. SUPPLEX fabrics are breathable, hold their shape, dry faster than cotton and retain their color.