Smartwool Intraknit Thermal Max Merino Bottom - WomenWarm is an understatement. The Women's Intraknit Thermal Max Merino Base Layer Bottom uses 100% ZQ certified Merino wool to help keep you comfortable on every cold weather outing. Insulating terry loops are seamlessly paired with mesh ventilation to balance warmth and breathability, while knit in reflective elements enhance visibility in low light conditions. These are the women's base layer pants you didn't know you needed. Features Fit: Slim The