Delicate Design: these sheer crew socks come with reinforced toe design, which will increase durability in high stress areas and prevent tearing, your toes will stay covered and protected for the comfort of the whole day; Elastic cuff design also ensures that these short dress stockings will not slip off easily when you wear them, giving you a comfy wearing experience without leaving marks on the ankle; Medium:Tiled 7.09 - 8.66 inch for 4.5-7 feet; Large: Tiled 9.84 inch for 5-10 feet