Features of the Ecco Women's Biom Aex Knit Slip-On Shoe Crafted from durable, full-grain yak leather, made in our own tanneries Breathable and fine-knit textile construction offers texture Wide elastic band allows for easy on and off, while sporty laces can be adjusted for an optimal Fit Soft and lightweight ECCO Phorene Midsole is designed to give comfortable all-day wear and energy return with every step Engineered with ECCO BIOM Technology for anatomical Fit and a low profile, keeping you closer to the ground for stability Rubber Outsole for durability and grip across all terrains