Birkenstock MEDINA men's Flip flops / Sandals (Shoes) in Brown Synthetic, Available in men's sizes. 5, 6, 7, 8, 9, 10, 11. Look at the logo on the insole: it will tell you if the shoe is a normal width (outlined foot icon), or a narrow width (filled-in foot icon.) Free Next Day Delivery & Free Returns on all orders!