The Women's Insulator Expert Tights from CW-X are an advanced pair of compression tights suited for cold-weather activity. The patented CW-X Support Web supports knees, quadriceps and lower legs to maximize efficiency and provide stability. The WarmStretch fabric of these tights makes a constant comfortable surface temperature in an array of conditions; making these perfect for cool and cold weather. The design of these compression leggings facilitates circulation both during and after activity; this reduces lactic acid buildup so you can go longer and recover faster.