Directional, refined and always easy-to-wear, British brand Whistles is your go-to for effortless work and leisure style. The London-based label has long been a fashion editor favourite and the men's line, which debuted in 2014, is already following suit. Intelligent design and attention to detail set the tone for a selection of expertly cut understated pieces that are sure to be your new wardrobe staples. Look to the Whistles collection of sweats for effortlessly stylish casualwear. Think classic jogging bottoms, sweatshirts and hoodies in soft jersey and super luxe cashmere.