Tennis Socks feature, Unique toe-to-heel terry looped padding system that acts as a shock absorber is constructed using engineered expansion joints that provide comfort and protection without bulk, wrinkling or sheering Expansion joints between the pads prevent wrinkling and provide a ventilation channel. Manufactured using the latest technology and fibers at Arcos in Italy, they makes socks under the brands Travelsox, Vitalsox, Eurosocks, SOX, Caresox, Arcosox and Worksox.