Running on a British winter’s day can be a temperature-regulation lottery. If you look out of the window before a run and notice frost glistening on the lawn, it’s tempting to pull on several layers of your warmest kit. Be blinded by bright sunshine

, but has cooling panels of mesh in the armpits and right down the arms. It also employs New Balance’s Lightning Dry system. It’s soft and stretchy and has some great practical touches: a watch port on the left sleeve, and thumb holes and foldover mesh mitts

in the most unpredictable ‘great British summer’.We’re on hand with some easy tips to make sure your kit works hard from head to toe, keeping you cool this summer.HeadquartersYou lose a lot of body heat through the head, which might seem like good news

feeling cool, but soon warmed up. However, it did seem to cool down mid-run before warming again towards the end, which was confirmed by the temperature readings."Overall The thermometer showed the Mizuno was efficient, as the final reading was just over 1

on and off, is rigid enough to hold the bust still over a run, wicks well, thanks to its CoolMax lining, and dries quickly. The only downside is that for shorter women, the support band at the bottom could sit too far down the chest, giving a less stable fit

(£24.99) kits from Gaiam is that they provide easy-to-follow instructions and, for those who can only touch their toes when sitting down, include bands and straps to help reach the unreachable bits. Contact www.4mywayoflife.com

sweat away well and regulated temperature, while the flat seams didn't chafe. However, the minimalist cut around the legs caused the pants to ride up, requiring them to be tugged back down on a regular basis. These come up very small, so buy one size

’ve enlisted the advice of some top kit experts to give you the definitive answer to your queries in our Q+A guide to keeping your gear running.SHOESQ: How can I tell when it’s time to replace my shoes?A: It’s tough – your favourite pair of shoes might feel

different interval sessions by time or heart rate, and even include warm-ups and cool-downs.Pros Tons of info; intuitive to useCons Expensive; too much info for someTimex iControl Triathlon 30 and Ironman 50 £33-£48 (Men’s and ladies versions)Key feature

good rule of thumb to avoid overheating is to kit yourself out as if it were 10ºC warmer. Wind  affects your body's ability to control its temperature by sweating, so wrap up warm on windy days. A buff will shield your face and keep you breathing