Please click for the El Naturalista size chart. Create a full ensemble with the ease of the El Naturalista Nido N5443. Soft leather upper. Supportive and high collar. Fixed bungee laces for easy slip-on wear. Soft leather lining and footbed. Durable rubber sole. Made in Spain. Measurements: Weight: 13.6 oz Product measurements were taken using size 40 (US Womens 9), width M (B). Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.