Big Zip EVO Size:1.5L 34g of protein packed in

34g of protein packed in a restaurant-quality breakfast that will leave you fueled for anything - it doesn't get much better than that

Lightweight aluminum DynaLock™ Trail poles aid balance and traction

and an avalanche beacon pocket with clip secures critical safety gear

and complete with a waterproof insert

Big Zip EVO Size:1.5L 34g of protein packed inThe Latest Evolution in Taste free Hydration The Big Zip EVO delivers a significantly higher flow rate than previous Platypus reservoirs and a host of new features, making it a great option for backpackers, hikers, and mountain bikers. Available in 1. 5L, 2. 0L, and 3. 0L.