Feetures! Elite Ultra Light No Show Tab Feetures! Elite is Feetures! most technically advanced sock. Thanks to the Sock-Lock support system, your foot and sock become one. The Ultra Light sock is Feetures! thinnest sock and fits like a second skin. The sock fits so well, it's almost as if it's not there. The No Show Tab sits below the ankle, but features front and back tabs to protect against chafing and keep the sock from sliding into the shoe. 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.