Tracksmith Women's Allston Legging - Navy | Size S Preowned. Excellent condition - very gently worn. No flaws, damage or excessive wear. Our most compressive women's tight built for high performance, with a 7/8 length cut, minimalist trims, a high waistband, and a supportive fit. Combining sleek and comfortable compression with temperature-regulating breathability, the high-rise fit Allston Tight's Italian-made blend of 57% nylon and 43% elastane offers the highest performance when it matters.