US manufactured with unique ultimax moisture control system, designed to keep feet dry with no blisters or odor, dries super-fast, has lightweight mesh instep for breathability, cushioned foot and seamless toe closure for comfort, mid-height sock great for hiking or comfortable year around casual use with multi-sport shoesThis quarter length Ultimax sock features Coolmax wicking fiber to keep feet dry and blister free. Other features include full cushion, mesh in-step, welt top, "y" heel pocket and smooth looped toe seam.