Giro Solara Shoe - Women's Leather UPPER : High-quality, breathable microfiber. Strong and secure ratcheting buckle closure (replaceable) Offset strap D-ring at mid-foot OUTSOLE : DuPont Zytel nylon FOOTBED : Molded EVA footbed with medium arch support. Aegis anti-microbial treatment WEIGHT : 270 grams (size 39)