A brisk walk or hike can really get your heart racing – but the prospect of doing that in the cold and rain doesn’t exactly inspire commitment to healthy living goals. At this time of year, everything is more tolerable when you have the appropriate kit. A properly warm coat can turn a dog walk into something truly uplifting. City pavements, treacherous when slick with rain, are barely noticeable in grippy, waterproof boots. And sub-zero temperatures? No problem when your head is cosseted in a co