Hyperspeed by Sparco is a hypoallergenic Nylon microfibre sock containing silver ions. It provides maximum breathability and comfort. optimum performance with asymmetrical Plastisol coating.

- Nylon microfibre sock with silver ions, hypoallergenic

- Maximum comfort and breathability

- Structure with silicone yarn to maximise the grip between foot and sock, or insole and sock

- Comfortable design with cushioned insole

- Sensitive design, with no insole, for maximum feeling

- Heel reinforced with Cordura®

- Heel tab at back for easy pull-on

- Asymmetrical Plastisol coating for achieving maximum performances