Own the Elements with Stink-Free Warmth Cosy comfort with a touch of tech. The women's Burton Heavyweight X Base Layer Pants are geared up with climate-controlled, highly breathable, heavyweight fleece, so you can gear up for full day warmth on the mountain. Keep your music close in the easy-access dual phone-stash pockets.   FEATURES:  Next to skin fit Living lining heavyweight 300 Quick-drying and highly breathable Built-in odour control Stretch 360° for unlimited mobility Chafe-free softlock seams for comfort DRYRIDE ultrawick heavyweight baselayer with backside brushed 92% polyester 8% spandex  Bluesign approved materials reduce impact on humans and the planet during manufacturing Lifetime warranty