As soon as you try on a pair you know Feetures! Elite is special. Thanks to the technically advanced Sock Lock support system your foot and sock become one. The most extraordinary thing happens: the sock fits so well it's almost as if it's not there. It's The Ultimate Fit and Feel'realized.The Power Arch Patent Pending is anatomically constructed to provide targeted support where it's needed most.Anatomical right and left foot design enhances fit delivering maximum protection by helping to eliminate blisters.iWick? fibers wick moisture to keep feet dry and odor free.The PerfectToe No irritating toe seam.Ultra thin construction takes up minimal room inside the shoe.