Springbak® Springsoles Performance Insoles — UK Sizes 5–10 | Patented, Made in USA

Description

Springbak® Springsoles — patented energy-return performance insoles in UK sizing (5/6, 7/8, 9/10). Made in the USA. $29.95 a pair.

For athletes and for anyone on their feet all day: Springsoles are just 3/32 of an inch thin and slide underneath the insole already in your shoe — no trimming, no break-in, no change in fit. The patented 1,4-polybutadiene spring plate returns the energy your foot puts into every step instead of soaking it up, so the shoes you already own work like performance footwear.

Protected by four U.S. patents: 5,554,694 · 5,695,850 · 6,120,880 · 6,589,630 B1.

Force-Plate Stability Study: in force-plate testing, subjects standing on Springbak® Springsoles showed more than twice the overall resistance to being pushed from their position. In plain English: they were harder to move — better able to hold their ground against a sideways push, the same grounded stability that helps on the field and on a long shift standing or walking. Results are from the force-plate testing described in U.S. Patent No. 6,589,630 B1. Individual results vary.

Used by athletes and everyday wearers who want balance, stability and energy return. Full patents, lab evidence and sizing help: springbak.app/catalog/springbak-uk-size

More from Springbak®: the four U.S. patents · force-plate and lab evidence · athlete and coach endorsements · balance and stability for seniors · insoles for standing all day