Our warmest synthetic base layer with HeiQ tech. Warm, versatile, and casual, the women's Burton Midweight Base Layer Pants do all the stuff a good base layer should do with a look and feel that is comfortable on and off the mountain. HeiQ tech boosts temperature regulation and odor resistance to keep you comfortable and smelling good longer. Burton Synthetic Midweight Base Layer Pants Womens | Multi Purple | Medium | Christy Sports