These are official deck shoes certified by the French Navy. The outsole uses a unique MARRINE sole, designed to prevent slipping and reduce noise for submarine crew members during onboard work. Actual Size: Outsole Length 28.5cm, Max Width 10cm, Height 8cm (including sole) *Please note that there may be slight variations due to amateur measurements. These items have mostly been handled by someone else, so please purchase with understanding. Please ask questions to clarify any concerns before purchasing. These items are also listed on other sites and auctions, so listings may be removed without notice. Please consider purchasing soon!