The HeatGuard Water Repellent Smart Pants are crafted from storm flannel, a water-repellent fabric made of cotton and Volcanic Viscose Yarn. Enhanced with fine volcanic rock powder, these pants offer superior insulation for colder days. The brushed and tweed finishing adds extra warmth and softness, ensuring comfort throughout the season. Designed as smart pants, they seamlessly transition between formal and casual looks, making them a versatile choice for any occasion.