Absolute comfort for running in the cold. The Zeroweight Warm Running Tights 2.0 are now made entirely from recycled materials – featuring a waterproof and windproof softshell fabric on the thighs and a warm, ultra-stretchy material on the lower legs and back. They come with laser-cut ventilation zones, zippers at the ankle, and reflective details for when you’re picking up the pace on chilly days. The adjustable bonded waistband is complemented by plenty of storage, including a zippered key pocket and two trail-running-inspired mesh pockets. With these warm and weatherproof running tights, you’ll be ready to head out even when you don’t really feel like it.