i have a arched foot , and these are a flat footbed , and i can ware them all day and be comfortable all day , no problems ! love these ! so glad Sanuk finally made the women's with a wider foot bed so i can buy the cute ones for woman , i was buying the men's due to needing a wider footbed . i'm so glad they changed the woman's to a wider foot bed , who cares about the arch ! if thats what u need NO SANUKS WILL WORK FOR YOU , and i do have a arched foot . and i ware them all day and have no problems !! LOVE , LOVE , LOVE woman's sanuks !