Breathable and windproof in all the right places. The Zeroweight Warm Hybrid Running Jacket 2.0, which has a slightly slimmer fit than its predecessor, combines a lightweight, weather-resistant softshell fabric with ultra-stretchy, lightly brushed seamless jersey, allowing your arms and back to enjoy unrestricted freedom of movement. For even more versatility and warmth, you can layer the jacket with a t-shirt or base layer. The design is completed with a reflective logo and spacious zippered pockets. Enjoy complete freedom of movement in any season. Run faster, dry quickly, and experience incredible lightness: performance running apparel that leaves all others behind.