Here is a modular backpack that comes with everything you need to get a better workout outdoors. The Wibe workout backpack comes with elastic straps, a base to support them, and modular compartment. It is weatherproof and durable. It has a lightweight design and can withstand unfavorable weather.
Wibe lets you perform push-up exercises, upper back moves, leg workout, and more. The project is getting funded on Kickstarter.