About this item

• Low-Profile Fit: Slim design fits comfortably under a ski or snowboard jacket to prevent freezing
• Crux Reservoir: 50oz capacity delivers 20 percent more water per sip with ergonomic handle for easy refills
• Insulated Tube and Bite Valve Cover: Protects water flow from extreme cold and heat
• Dual Adjustable Sternum Straps: Offers a secure, customizable fit for active movement
• Insulated Reservoir Compartment: Maintains water temperature in harsh weather conditions