The double sealed water bladders are extremely durable yet take no room in your EmPack when not in use.
Each bladder holds 15 pounds of unstable weight, and the Pack holds 4 bladders total.
From business trips to mountain hikes, The World Is Your Gym.
Say Hello to the EmPack
The FIRST & ONLY backpack designed to serve as a weight training pack.
More Water More Weight
EmPacks come with 2 reservoirs and fit up to 4. Each reservoir holds 15 pounds of water or sand.