my husband who be a size 12 , need new flip flop . I have always worn Rainbows and love they . he be hesitant about buy in the past . great price so I buy they . he do complain for the first 2 day that they be too small . I keep on he to wear they around the house . now , he be sell . he can not believe how comfortable they be . he even wear they hike to waterfall in Maui and could not believe how well they help up , no slip and stay on well .