S-King Insoles has been always centering on the developing , designing and producing of heel liner. S-King Insoles's forefoot cushion is various in types and styles to meet the different needs of customers. S-King foam insoles has been tested in the sound laboratory. It complies with ASTM E90 and ISO 10140-2 for sound blocking and ASTM 423 for sound absorption. Ergonomically designed, S-King insoles are comfortable to use. Its long lifespan dramatically reduces maintenance costs and lower long-term operating costs, which will be a choice for users who are looking for reducing energy bills. The S-King heated insoles keep your feet warm for 4-8 hours per charge.
S-King brand wants to be among the very leading business in foam insoles business. Contact!