However, Im not sure if that would work. I love Chico’s because of the great arch support which really helps with my plantar fasciitis. ) And yes, these have an arch and not flat feeling like other slippers, and the bottoms are stiff not pliable - but very cozy and comfortable to me. I don’t know how an actual size 11 would feel though. But some of that is because my other ones needed it since they were not as stable. It is not super sturdy and therefore not super heavy. Fits as expected. Check the language from the warranty where they exclude coverage if you sweat a lot. Mein Sohn (11 J. They only lasted 2 and 1/2 months!