Skins Powersox (£25)Kerry says: Improve your circulation and stop lactic acid production in its tracks with these performance-enhancing compression socks.Compression of the calf muscles and lower legs have been shown to improve running performance

Lucy says: The stretch fit is of these tights is really effective, they are incredibly comfortable and definitely feel like a second skin. They were also really easy to take off thanks to the handy zip along the calf.Once I started running

runners will get something (greater ankle and calf strength) out of wearing this for shorter training runs.Buy it now from the Runners World Store.

) on a flat side of the rolled-up tube and your levers on the opposite side. Hold the lever side under the back of your saddle rails and loop the toe strap over the rails and around the inflator. Tighten the strap, pulling the tube and gear into the rails