This reservoir with Thermal Control insulation turns any pack into an all-season 100 oz hydration system. The brand new Crux Reservoir delivers 20% more water per sip, with an ergonomic handle for easier refilling, and an on/off lever that makes it easy to prevent leaks.. 10mm closed cell foam reservoir insulation. Insulated tube and bite valve cover. Attachment points. Large adjustable carry loop. Activity: Ski & Snow. User: Unisex. Hydration Capacity:3L/100 Fl oz. Hydration Type: Crux(TM) Reservoir With Quicklink(TM) System. BPA/BPS/BPF Free: Yes. Quick Link Disconnect: Yes. Gear Capacity: N/A. Pack Weight:160 g/6 oz. Accessories Included: Bite Valve Cover, Insulated Tube Sleeve. Imported.