Description
-5-Spring Propulsion System: Feel instant energy return with every step—ideal for work boot insoles for men and women! 5 medical-grade steel springs absorb shock during heel strike and convert it into forward momentum, boosting running pace by 2 %–5 % in independent third-party tests.
-Triple-Layer Impact Defense: a PU base cushions your arch for plantar fasciitis relief, Premium PORON material in the forefoot pad shields the balls of your feet, and a rigid TPU heel cup locks the springs in place—lasting twice as long as foam or gel insoles.
-Orthopedic-Grade Arch Support: a TPU bridge redistributes 66 % of plantar pressure—compared with only 40 % for plastic arches—relieving pain from plantar fasciitis and flat feet. That’s why these orthotic insoles come podiatrist-recommended for overpronation.
-Firm Arch Support + Spring Shock Absorption: 8-hour nurse & construction tests show 80% heel-pain reduction. These arch support inserts for men and women use built-in springs—unlike collapsing memory foam—to shield knees & back from impact and relieve plantar fasciitis, high arches, flat feet, metatarsalgia & heel pain.
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