The perfect jacket with light insulation for a perfect day blends our trusted technology with timeless, mountain-inspired style. The HELLY TECH® Performance is waterproof/breathable and windproof. The Primaloft insulation keeps you warm also in colder spring or autumn days. The jacket has an articulated cut to maximize your freedom of movement in all kinds of activities. The hood, hem and cuffs are adjustable, so you can customize the fit.