Black Diamond Equipment Boundaryline Insulated Pants - Men'sThe Black Diamond Equipment Boundaryline Insulated Pants are designed for those who love to explore the great outdoors in any weather. These pants are made with a durable, waterproof shell that keeps you dry in wet conditions, while the Thermolite insulation provides warmth without adding bulk. The pants also feature a built in boot gaiter to keep snow out, and reinforced kick patches for added durability. The articulated knees allow for a full range