The ergonomically shaped Groove Bottles contour comfortably around your hips, helping provide a smooth and secure fit while running. The 200ml bottles are designed for the NB400 Groove, while the 300ml bottles fit the NB600 Groove.

For greater fluid capacity, the 650ml Bottle features a streamlined design and squeezable lid for simple hydration on the move. It is designed to sit securely in the NBreverse waist belt with zero bounce or movement, regardless of your pace.

All three options are BPA-free, recyclable and safe to use in the dishwasher or freezer. The Groove Bottles are also leakproof, making them ideal as replacements, spares or additional bottles for long training sessions, races and endurance events.

The 200ml and 300ml Groove Bottles use an ergonomic, curved shape that follows the natural contour of your hips. This allows them to fit securely inside the corresponding Groove belt while reducing bulky pressure points and unwanted movement.

The 650ml Bottle provides greater capacity and uses a streamlined shape and squeezable lid to make drinking easier during activity. When fitted inside the NBreverse, it sits securely against the waist to provide stable, bounce-free hydration during training and racing.