pplied as a pair, the Sorbothane Full Strike insole helps to protect the whole foot against the shock of impacts.This is the UK size 7 model and it is intended for high intensity shock absorption. When fitted over or in place of an existing insole, it will enhance comfort and help to protect against joint injuries and associated pain in the legs and back. It will fit all types of sporting footwear and can be trimmed to shape using the pre-printed lines as a guide.