P84 Shock absorbers for feet which help prevent sore heels and heel spurs.
Helps relieve arch, ankle, leg and back pain.
Patented waffles compress, then rebound with every step. For tired, uncomfortable feet PowerStride magnetic shoe insoles contain high output Flexible Magnetic Cores. Lightweight, stronger and more penetrating than any popular priced competitors. PowerStride features a tough polyester non-slip surface.