Sorbothane shock stopper heel pads sold as a pair these medium sized sorbothane shock stopper heel pads fit most types of conventional shoe or sports footwear and help to prevent pain and injury related to impact shocks light and easy to insert in the heel of the shoe they help to alleviate common problems such as calf strain and general tiredness and they can also help to alleviate discomfort after prolonged spells of standing or walking product specifications one pair