Nerd Belts NB400 Groove
Nerd Belts NB400 Groove – Lightweight Running Hydration Belt
The Nerd Belts NB400 Groove is a lighter-weight evolution of the best-selling NB600 Groove, designed to provide a comfortable, bounce-free way to carry hydration, nutrition, and everyday essentials during training and racing.
Updated with an improved adjustable strap featuring silicone fit-lock pieces, the NB400 is designed to stay securely in position without constant readjustment. A larger storage pouch provides plenty of room for your phone, keys, race-day nutrition, and other essentials, while the new honeycomb back material offers a premium, performance-focused finish.
Complete with custom Nerd Belts Groove bottles and branded packaging, the NB400 Groove is built for everything from everyday runs to marathons, ultras, and long-course triathlon.
Key Features:
- Lightweight evolution of the NB600 Groove
- Designed for a secure, no-bounce fit
- Improved adjustable strap with silicone fit-lock pieces
- Larger storage pouch for nutrition and essentials
- Fits phones, keys, race-day essentials, and nutrition
- Holds more than 6 energy gels or 4 chews
- Can be used to hold your race number
- New premium honeycomb back material
- Includes custom Nerd logo embossed Groove bottles
- Suitable for running, racing, triathlon, and ultra-distance events
- Supplied in a branded zip-lock bag
Belt Sizing:
Hip Measurement: 71–115cm / 28–45 inches
Stretchy, adjustable strap designed for a secure fit.
Pouch Size:
Height: 12cm
Width: approximately 21–23cm at its widest point