While generally when the weather is wintery I favour an all-in-one style winter jersey like the Castelli Espresso Air jacket, sometimes it’s too mild for a heavy, membraned top layer yet too ...

That’s why, when I was given the opportunity to test their Icebreaker 260 ZoneKnit Long Sleeve Half Zip Thermal Top earlier this year, I jumped at the chance, charging head first into a base ...