Crux Reservoir: 70oz capacity with ergonomic handle and on/off lever for easy refills and leak prevention Therminator Harness: Insulated sleeve protects the drinking tube from freezing in cold conditions Lift-Friendly Design: Slim, low-profile fit and Lift Access QR Harness for easy access on chairlifts SnowShield Fabric: Repels snow and moisture to keep gear dry and protected Secure and Adjustable Fit: Zippered pocket for essentials and sliding sternum strap for a custom fit