I also think that good pair of walking/cross trainer sneakers is the best foot ware to use. Of course make sure that whatever you use, is well broken in. I was convinenced by DW to try sandals for WDW and I did use them for several days, but not for the sustained walking done in the World. I developed blisters on both feet, went to the Nike outlet store bought a pair of X trainers and suffered somewhat the rest of the trip, ( I didn't complain to DW)