The Camelbak Crux 1.5L Reservoir is a revised version of a classic. Fitted with a leak proof lid and with an anti-bacterial treatment, the Crux offers safe, clean and reliable hydration. The new design provides 20% more water per sip, for increased efficiency.A leak-proof and efficient hydration reservoir from CamelbakOffers 20% more water per sip - increased hydration efficiencyOpen and close cap - with leak proof sealingOn/off lever - seals drinking tube with easeHydroguard technology - inhibits the growth of bacteriaBig bite valve - eliminates dripping from mouth pieceCapacity: 1.5LRecommended activity -cycling / walking / hiking