Brooks Momentum Thermal Pants Women's Running Apparel Black : Conquer harsh conditions in the warm and versatile Brooks Momentum Thermal Pant! Made from DriLayer® threshold fabric, these running pants keep you comfortable on chilly runs. The wide waistband is snug in all the right spots, while cuffs at the ankle prevent cold air from entering. For whatever winter throws your way, stay moving in the Brooks Momentum Thermal Pant! Updated DriLayer® Threshold fabric provides extra warmth