Heavyweight X Base Layer (Women) size:MED Our largest Standard Mouth available

Our largest Standard Mouth available uses TempShield™ double wall vacuum insulation to keep your water refreshingly ice cold for up to 24 hours

Featuring our new double locking looper system

Named after the face size (51mm) and water-resistant rating (30 ATM)

Nomad Trim-To-Fit By Size Skins with Quick Tension Tail Clips are made for backcountry touring in any snow condition

Heavyweight X Base Layer (Women) size:MED Our largest Standard Mouth availableDescription Winter Base Layer Pants. Heavyweight warmth with climate and odor control tech. Cozy 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.