Shop Knee Pain Achilles Tendonitis Arch Pain Arthritis Athlete’s Foot Blisters Callus Cavus Foot HomeShop X-LINE TPD SHOCK PACKS The Shock Pack version of the XLine TPD device contains a full-length die-cut layer of self-adhesive shock absorbing foam, along with rearfoot 4-degree medial wedges and heel lifts. + More Stay one steap ahead in the treatment of foot and lower limb conditions. Call the HealthyStep team on 01457 839549