MF Heel Cups were developed by a track and field professional to assist runners, jumpers and others who suffered from heel pain. Unlike soft heel devices that absorb shock, these hard cups disperse it, and cradle fat pad tissue under the calcaneus to utilize natural cushioning and shock absorption. Firm plastic construction Gently squeeze fat pad under the calcaneus to utilize natural cushioning, shock absorption Disperses heel strike shock over the entire heel area Help ease heel and plantar fascia pain These hard plastic heel cups cradle fat pad tissue under the calcaneous to utilize natural cushioning and shock absorption and disperse shoc