The Manyara slip-on is from the Naot Serengeti Collection which runs as a Medium width. Slip on the Manyara for enduring style and comfort. Premium leather upper with vamp goring for easy on-and-off wear. Removable suede-lined cork and latex footbed offers contoured support and comfort all day long. Shock-absorbing rubber outsole provides lightweight durability and stability. Hand crafted and slip resistant outsole. Imported. Measurements: Weight: 1 lb 5 oz Product measurements were taken using size 45 (US Men' s 12) width M.Weight of footwear is based on a single item not a pair.