These Insoles are designed for users over 220 lbs, featuring durable TPU material for long-term support. They include shock-absorbing materials and a PU heel pad to enhance comfort and reduce odor. These insoles correct foot alignment, promoting a natural stride and preventing knee or back pain. Price drops from $21.99 to $8.99 with code "EQXDP9IY". Shipping is free with Prime or on $35+ orders.