Bodyglide Anti Blister and Chafing Stick (£12)Kerry says: Because when it comes to blisters, prevention is much better than cure. Blisters and roughness caused by chafing can be frustrating and painful - and this stick is compact enough to tote in a

Gore Women's Mythos Thermo Shirt (£55.00)Kerry says: This multi-functional piece of kit provides excellent value for money. It's warm (and soft and fleecy) enough to keep you warm during cold winter runs, but not so warm that you can't pair

Helly Hansen L/S Stripe Crew (£30.00)Kerry says: There's a reason why this baselayer with the distinctive stripes down the arms has become one of Helly Hensen's best known and biggest-selling pieces of kit: it works. It's small and lightweight (you