Stay warm and toasty during your run in the Brooks Momentum Thermal Pant. These are Brooks' warmest running pants that give you maximum stretch and mobility, so nothing will stay in the way of your run. Designers updated their DriLayer Threshold fabric to make the Momentum Thermal Pants warmer than ever before. Plus, they have two zip-secure pockets, so you can keep your valuables safe. These cold-weather running pants are not only warm but comfortable. The wide waistband doesn’t dig in and the ankle cuffs keep the pants in place while stopping cold air from blowing in at your ankles. Brooks Momentum Thermal Pants’ athletic, yet relaxed fit is perfect for running all winter long. Looking for other cold weather running apparel? Check out our guide on the best winter running apparel.