The women's Ecco x Natacha Ramsay-Levi BIOM C-TRAIL W slip on sneakers in black are crafted from premium leather and textile and feature speed laces for easy control on the go, leather inlay soles and a combined leather and textile lining, rubber outsoles with a rugged tread pattern, ECCO PHORENE™ midsoles, and BIOM® NATURAL MOTION® technology, rooted in performance and designed to mimic the natural contours of your feet, ensuring every step is in perfect harmony with your body.