Enhance your functional training with the TRNR Hydro Bag 15kg ( HB15KG), designed to deliver dynamic instability workouts that challenge your core, balance, and coordination. By using shifting water resistance, this innovative training tool activates stabilising muscles more effectively than traditional weights—helping you build core strength, joint stability, and overall body control.
As the water moves inside the bag, your body is constantly forced to adapt, improving proprioception, posture, and spinal mobility. This makes it ideal for athletes, rehabilitation, and anyone looking to elevate their fitness routine with more functional, real-world movement patterns.
The dual-handle design (vertical and horizontal grips) allows for a wide range of exercises, from squats and lunges to presses and rotational movements. Whether you're training at home, in the gym, or outdoors, the Hydro Bag offers unmatched versatility.
With a leak-proof, heavy-duty construction and a hybrid valve system, the bag ensures secure water and air retention during every workout. When empty, it becomes lightweight and portable—perfect for travel and easy storage.
Key Features
- Up to 15kg adjustable water resistance for progressive training
- Instability design enhances core strength, balance & coordination
- Improves posture, joint stability, and spinal mobility
- Dual-handle system (vertical & horizontal) for versatile exercises
- Leak-proof, durable construction for long-lasting use
- Easy load adjustment—just add or remove water
- Lightweight and portable when empty—ideal for travel
- Includes step pump and adaptor for air filling
What’s Included
- TRNR Hydro Bag (15kg capacity)
- Step pump for easy inflation
- Exercise poster for guided workouts
- Free training app for additional routines